Overview
Find the exact value of a sine function using the sum and difference formula
Find the exact value of a cosine function using the sum and difference formula
Find the exact value of a tangent function using the sum and difference formula
Find the exact value of the expression given a sum or difference of two trigonometric functions
Find the exact value of the trigonometric function given an angle measure
Write the expression as the sine, cosine, or tangent of an angle
Find the exact value of the trigonometric function given the sine of one angle and the cosine of another angle
Simplify the trig expression algebraically using sum and difference formulas