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1.Suppose that cos q = 2/3 and that q is a Quadrant IV angle. (a) Find the exact value of sinq. Show work. (b) Find

1.Suppose that cos q = 2/3 and that q is a Quadrant IV angle.

(a) Find the exact value of sinq. Show work.

(b) Find the exact value of sin (2q ). Show work.

2. Prove the identity 1 (cos x sin x)2 = sin (2x)

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