Trigonometry Examples

$\sin^{2} (x) + \sin^{2} (x) \cot^{2} (x)$

Step 1

Multiply by $1$ .

$\sin^{2} (x) \cdot 1 + \sin^{2} (x) \cot^{2} (x)$

Step 2

Simplify with factoring out.

Tap for more steps...

Step 2.1

Factor $\sin^{2} (x)$ out of $\sin^{2} (x) \cot^{2} (x)$ .

$\sin^{2} (x) \cdot 1 + \sin^{2} (x) (\cot^{2} (x))$

Step 2.2

Factor $\sin^{2} (x)$ out of $\sin^{2} (x) \cdot 1 + \sin^{2} (x) (\cot^{2} (x))$ .

$\sin^{2} (x) \cdot (1 + \cot^{2} (x))$

Step 3

Apply pythagorean identity.

$\sin^{2} (x) \cdot \csc^{2} (x)$

Step 4

Rewrite $\csc (x)$ in terms of sines and cosines.

$\sin^{2} (x) \cdot {(\frac{1}{\sin (x)})}^{2}$

Step 5

Simplify the expression.

Tap for more steps...

Step 5.1

Apply the product rule to $\frac{1}{\sin (x)}$ .

$\sin^{2} (x) \cdot \frac{1^{2}}{\sin^{2} (x)}$

Step 5.2

One to any power is one.

$\sin^{2} (x) \cdot \frac{1}{\sin^{2} (x)}$

Step 6

Cancel the common factor of $\sin^{2} (x)$ .

Tap for more steps...

Step 6.1

Cancel the common factor.

$\sin^{2} (x) \cdot \frac{1}{\sin^{2} (x)}$

Step 6.2

Rewrite the expression.

$1$