Precalculus » D. Trigonometric Functions » D.4. Trigonometric Functions of Any Angle

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Evaluating Trigonometric Functions

• Overview
• Find the value of trigonometric functions given a point on the terminal side of the angle
• Find the value of trigonometric functions given the value of another trigonometric function with the given constraint
• Find the value of trigonometric functions given an equation and quadrant
• Find the value of trigonometric functions of quadrantal angles
• Find the value of trigonometric functions given the value of another trigonometric function and a quadrant
• Find the value of trigonometric functions using a calculator

Reference Angles

• Overview
• Find the reference angle given an angle measure
• Use reference angles to evaluate trigonometric functions