Academy Algebra II THE UNIT CIRCLE.

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Presentation transcript:

Academy Algebra II THE UNIT CIRCLE

Six Trigonometric Functions Sine (sin) Cosine (cos) Tangent (tan) Cosecant (csc) Secant (sec) Cotangent (cot)

Unit Circle Let the radius = 1. Find the (x, y) coordinates using special right triangle ratios for 45-45-90.

Unit Circle Let the radius = 1. Find the (x, y) coordinates using special right triangle ratios for 30-60-90.

Unit Circle: For each point on the unit circle label the ordered Pair (cos, sin) and the angle in degrees and radians.

Trig Functions: Unit Circle (reciprocal of cosine) (reciprocal of sine)

Do Now: Evaluate the following trig functions.

Unit Circle Worksheet

Unit Circle Worksheet