Understanding the Unit Circle

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Presentation transcript:

Understanding the Unit Circle F-TF 2

Sketch each angle. Then find the its reference angle. Now find the exact value of each trig function

Reference Angles If is a nonquadrental angle in standard position, its REFERENCE ANGLE is the acute angle formed by the terminal side of and the x-axis. The rules are shown below:

Sketch each angle. Then determine the reference angle       

ASTC Find the exact value A S T C Sin Cos Tan

Find the reference angle for each angle Unit Circle Find the reference angle for each angle Go over ASTC Another stupid trig class

Find the sin of each angle Sin X and the Unit Circle Find the sin of each angle Go over ASTC A smart trig class

Cos x and the Unit Circle Find Cos of each angle

Tan x and the Unit Circle Find Tan of each angle

Examples: Sketch each angle. Then find the its reference angle. Now find the exact value of each trig function

Homework worksheet

Inverse wks

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