Trigonometry Examples

$\frac{x^{- 6}}{x^{3}}$

Step 1

Decompose the fraction and multiply through by the common denominator.

Tap for more steps...

Step 1.1

Reduce the expression $\frac{x^{- 6}}{x^{3}}$ by cancelling the common factors.

Tap for more steps...

Step 1.1.1

Multiply by $1$ .

$\frac{x^{- 6} \cdot 1}{x^{3}}$

Step 1.1.2

Factor $x^{- 6}$ out of $x^{3}$ .

$\frac{x^{- 6} \cdot 1}{x^{- 6} x^{9}}$

Step 1.1.3

Cancel the common factor.

$\frac{x^{- 6} \cdot 1}{x^{- 6} x^{9}}$

Step 1.1.4

Rewrite the expression.

$\frac{1}{x^{9}}$

Step 1.2

Multiply each fraction in the equation by the denominator of the original expression. In this case, the denominator is $x^{9}$ .

$\frac{1 (x^{9})}{x^{9}} = \frac{A (x^{9})}{x^{9}} + \frac{B (x^{9})}{x^{8}} + \frac{C (x^{9})}{x^{7}} + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.3

Cancel the common factor of $x^{9}$ .

Tap for more steps...

Step 1.3.1

Cancel the common factor.

$\frac{1 x^{9}}{x^{9}} = \frac{A (x^{9})}{x^{9}} + \frac{B (x^{9})}{x^{8}} + \frac{C (x^{9})}{x^{7}} + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.3.2

Rewrite the expression.

$1 = \frac{A (x^{9})}{x^{9}} + \frac{B (x^{9})}{x^{8}} + \frac{C (x^{9})}{x^{7}} + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4

Simplify each term.

Tap for more steps...

Step 1.4.1

Cancel the common factor of $x^{9}$ .

Tap for more steps...

Step 1.4.1.1

Cancel the common factor.

$1 = \frac{A x^{9}}{x^{9}} + \frac{B (x^{9})}{x^{8}} + \frac{C (x^{9})}{x^{7}} + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.1.2

Divide $A$ by $1$ .

$1 = A + \frac{B (x^{9})}{x^{8}} + \frac{C (x^{9})}{x^{7}} + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.2

Cancel the common factor of $x^{9}$ and $x^{8}$ .

Tap for more steps...

Step 1.4.2.1

Factor $x^{8}$ out of $B (x^{9})$ .

$1 = A + \frac{x^{8} (B (x))}{x^{8}} + \frac{C (x^{9})}{x^{7}} + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.2.2

Cancel the common factors.

Tap for more steps...

Step 1.4.2.2.1

Multiply by $1$ .

$1 = A + \frac{x^{8} (B (x))}{x^{8} \cdot 1} + \frac{C (x^{9})}{x^{7}} + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.2.2.2

Cancel the common factor.

Step 1.4.2.2.3

Rewrite the expression.

$1 = A + \frac{B (x)}{1} + \frac{C (x^{9})}{x^{7}} + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.2.2.4

Divide $B (x)$ by $1$ .

$1 = A + B (x) + \frac{C (x^{9})}{x^{7}} + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.3

Cancel the common factor of $x^{9}$ and $x^{7}$ .

Tap for more steps...

Step 1.4.3.1

Factor $x^{7}$ out of $C (x^{9})$ .

$1 = A + B x + \frac{x^{7} (C (x^{2}))}{x^{7}} + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.3.2

Cancel the common factors.

Tap for more steps...

Step 1.4.3.2.1

Multiply by $1$ .

$1 = A + B x + \frac{x^{7} (C (x^{2}))}{x^{7} \cdot 1} + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.3.2.2

Cancel the common factor.

Step 1.4.3.2.3

Rewrite the expression.

$1 = A + B x + \frac{C (x^{2})}{1} + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.3.2.4

Divide $C (x^{2})$ by $1$ .

$1 = A + B x + C (x^{2}) + \frac{D (x^{9})}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.4

Cancel the common factor of $x^{9}$ and $x^{6}$ .

Tap for more steps...

Step 1.4.4.1

Factor $x^{6}$ out of $D (x^{9})$ .

$1 = A + B x + C x^{2} + \frac{x^{6} (D (x^{3}))}{x^{6}} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.4.2

Cancel the common factors.

Tap for more steps...

Step 1.4.4.2.1

Multiply by $1$ .

$1 = A + B x + C x^{2} + \frac{x^{6} (D (x^{3}))}{x^{6} \cdot 1} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.4.2.2

Cancel the common factor.

$1 = A + B x + C x^{2} + \frac{x^{6} (D (x^{3}))}{x^{6} \cdot 1} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.4.2.3

Rewrite the expression.

$1 = A + B x + C x^{2} + \frac{D (x^{3})}{1} + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.4.2.4

Divide $D (x^{3})$ by $1$ .

$1 = A + B x + C x^{2} + D (x^{3}) + \frac{F (x^{9})}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.5

Cancel the common factor of $x^{9}$ and $x^{5}$ .

Tap for more steps...

Step 1.4.5.1

Factor $x^{5}$ out of $F (x^{9})$ .

$1 = A + B x + C x^{2} + D x^{3} + \frac{x^{5} (F (x^{4}))}{x^{5}} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.5.2

Cancel the common factors.

Tap for more steps...

Step 1.4.5.2.1

Multiply by $1$ .

$1 = A + B x + C x^{2} + D x^{3} + \frac{x^{5} (F (x^{4}))}{x^{5} \cdot 1} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.5.2.2

Cancel the common factor.

$1 = A + B x + C x^{2} + D x^{3} + \frac{x^{5} (F (x^{4}))}{x^{5} \cdot 1} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.5.2.3

Rewrite the expression.

$1 = A + B x + C x^{2} + D x^{3} + \frac{F (x^{4})}{1} + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.5.2.4

Divide $F (x^{4})$ by $1$ .

$1 = A + B x + C x^{2} + D x^{3} + F (x^{4}) + \frac{G (x^{9})}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.6

Cancel the common factor of $x^{9}$ and $x^{4}$ .

Tap for more steps...

Step 1.4.6.1

Factor $x^{4}$ out of $G (x^{9})$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + \frac{x^{4} (G (x^{5}))}{x^{4}} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.6.2

Cancel the common factors.

Tap for more steps...

Step 1.4.6.2.1

Multiply by $1$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + \frac{x^{4} (G (x^{5}))}{x^{4} \cdot 1} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.6.2.2

Cancel the common factor.

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + \frac{x^{4} (G (x^{5}))}{x^{4} \cdot 1} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.6.2.3

Rewrite the expression.

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + \frac{G (x^{5})}{1} + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.6.2.4

Divide $G (x^{5})$ by $1$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G (x^{5}) + \frac{H (x^{9})}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.7

Cancel the common factor of $x^{9}$ and $x^{3}$ .

Tap for more steps...

Step 1.4.7.1

Factor $x^{3}$ out of $H (x^{9})$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + \frac{x^{3} (H (x^{6}))}{x^{3}} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.7.2

Cancel the common factors.

Tap for more steps...

Step 1.4.7.2.1

Multiply by $1$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + \frac{x^{3} (H (x^{6}))}{x^{3} \cdot 1} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.7.2.2

Cancel the common factor.

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + \frac{x^{3} (H (x^{6}))}{x^{3} \cdot 1} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.7.2.3

Rewrite the expression.

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + \frac{H (x^{6})}{1} + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.7.2.4

Divide $H (x^{6})$ by $1$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + H (x^{6}) + \frac{I (x^{9})}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.8

Cancel the common factor of $x^{9}$ and $x^{2}$ .

Tap for more steps...

Step 1.4.8.1

Factor $x^{2}$ out of $I (x^{9})$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + H x^{6} + \frac{x^{2} (I (x^{7}))}{x^{2}} + \frac{J (x^{9})}{x}$

Step 1.4.8.2

Cancel the common factors.

Tap for more steps...

Step 1.4.8.2.1

Multiply by $1$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + H x^{6} + \frac{x^{2} (I (x^{7}))}{x^{2} \cdot 1} + \frac{J (x^{9})}{x}$

Step 1.4.8.2.2

Cancel the common factor.

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + H x^{6} + \frac{x^{2} (I (x^{7}))}{x^{2} \cdot 1} + \frac{J (x^{9})}{x}$

Step 1.4.8.2.3

Rewrite the expression.

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + H x^{6} + \frac{I (x^{7})}{1} + \frac{J (x^{9})}{x}$

Step 1.4.8.2.4

Divide $I (x^{7})$ by $1$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + H x^{6} + I (x^{7}) + \frac{J (x^{9})}{x}$

Step 1.4.9

Cancel the common factor of $x^{9}$ and $x$ .

Tap for more steps...

Step 1.4.9.1

Factor $x$ out of $J (x^{9})$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + H x^{6} + I x^{7} + \frac{x (J (x^{8}))}{x}$

Step 1.4.9.2

Cancel the common factors.

Tap for more steps...

Step 1.4.9.2.1

Raise $x$ to the power of $1$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + H x^{6} + I x^{7} + \frac{x (J (x^{8}))}{x}$

Step 1.4.9.2.2

Factor $x$ out of $x^{1}$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + H x^{6} + I x^{7} + \frac{x (J (x^{8}))}{x \cdot 1}$

Step 1.4.9.2.3

Cancel the common factor.

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + H x^{6} + I x^{7} + \frac{x (J (x^{8}))}{x \cdot 1}$

Step 1.4.9.2.4

Rewrite the expression.

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + H x^{6} + I x^{7} + \frac{J (x^{8})}{1}$

Step 1.4.9.2.5

Divide $J (x^{8})$ by $1$ .

$1 = A + B x + C x^{2} + D x^{3} + F x^{4} + G x^{5} + H x^{6} + I x^{7} + J (x^{8})$