Question: draw triangle Suppose that A is in Quadrant IV and cos A = 4/5, find the exact value of each expression. a) sin 2A b)

draw triangle

draw triangle Suppose that A is in Quadrant IV and cos A

Suppose that A is in Quadrant IV and cos A = 4/5, find the exact value of each expression. a) sin 2A b) cos 2A c) tan 2A

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