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Trigonometry Examples
Step 1
Step 1.1
Simplify each term.
Step 1.1.1
Rewrite in terms of sines and cosines.
Step 1.1.2
Cancel the common factor of .
Step 1.1.2.1
Factor out of .
Step 1.1.2.2
Cancel the common factor.
Step 1.1.2.3
Rewrite the expression.
Step 1.1.3
Reorder and .
Step 1.1.4
Reorder and .
Step 1.1.5
Apply the sine double-angle identity.
Step 1.1.6
Rewrite in terms of sines and cosines.
Step 1.2
Convert from to .
Step 2
Graph each side of the equation. The solution is the x-value of the point of intersection.
, for any integer
Step 3