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Trigonometry Examples
Step 1
Add to both sides of the equation.
Step 2
Step 2.1
Rewrite as .
Step 2.2
Expand using the FOIL Method.
Step 2.2.1
Apply the distributive property.
Step 2.2.2
Apply the distributive property.
Step 2.2.3
Apply the distributive property.
Step 2.3
Simplify and combine like terms.
Step 2.3.1
Simplify each term.
Step 2.3.1.1
Multiply by .
Step 2.3.1.2
Move to the left of .
Step 2.3.1.3
Multiply by .
Step 2.3.2
Subtract from .
Step 3
To write as a fraction with a common denominator, multiply by .
Step 4
Combine and .
Step 5
Combine the numerators over the common denominator.
Step 6
Step 6.1
Move to the left of .
Step 6.2
Rewrite as .
Step 6.3
Expand using the FOIL Method.
Step 6.3.1
Apply the distributive property.
Step 6.3.2
Apply the distributive property.
Step 6.3.3
Apply the distributive property.
Step 6.4
Simplify and combine like terms.
Step 6.4.1
Simplify each term.
Step 6.4.1.1
Multiply by .
Step 6.4.1.2
Move to the left of .
Step 6.4.1.3
Multiply by .
Step 6.4.2
Subtract from .
Step 6.5
Apply the distributive property.
Step 6.6
Simplify.
Step 6.6.1
Multiply by .
Step 6.6.2
Multiply by .
Step 7
To write as a fraction with a common denominator, multiply by .
Step 8
Combine and .
Step 9
Combine the numerators over the common denominator.
Step 10
Multiply by .
Step 11
To write as a fraction with a common denominator, multiply by .
Step 12
Combine and .
Step 13
Combine the numerators over the common denominator.
Step 14
Step 14.1
Multiply by .
Step 14.2
Add and .
Step 15
Factor out of .
Step 16
Factor out of .
Step 17
Factor out of .
Step 18
Factor out of .
Step 19
Factor out of .
Step 20
Factor out of .
Step 21
Factor out of .
Step 22
Rewrite as .
Step 23
Factor out of .
Step 24
Rewrite as .
Step 25
Move the negative in front of the fraction.
Step 26