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Trigonometry Examples
Step 1
Combine and .
Step 2
Combine and .
Step 3
Step 3.1
Subtract from both sides of the equation.
Step 3.2
To write as a fraction with a common denominator, multiply by .
Step 3.3
To write as a fraction with a common denominator, multiply by .
Step 3.4
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
Step 3.4.1
Multiply by .
Step 3.4.2
Multiply by .
Step 3.4.3
Multiply by .
Step 3.4.4
Multiply by .
Step 3.5
Combine the numerators over the common denominator.
Step 3.6
Simplify each term.
Step 3.6.1
Simplify the numerator.
Step 3.6.1.1
Factor out of .
Step 3.6.1.1.1
Factor out of .
Step 3.6.1.1.2
Factor out of .
Step 3.6.1.1.3
Factor out of .
Step 3.6.1.2
Multiply by .
Step 3.6.1.3
Subtract from .
Step 3.6.2
Multiply by .
Step 4
Add to both sides of the equation.
Step 5
Multiply both sides of the equation by .
Step 6
Step 6.1
Simplify the left side.
Step 6.1.1
Cancel the common factor of .
Step 6.1.1.1
Cancel the common factor.
Step 6.1.1.2
Rewrite the expression.
Step 6.2
Simplify the right side.
Step 6.2.1
Multiply by .