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  3. suppose cos x and 90 x 180 a 5 pts use identities

Suppose cos x and 90 x 180 a 5 pts Use identities to find the...

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Suppose cos x and 90 x 180 a 5 pts Use identities to find the exact value of sin 2x b 5 pts Use identities to find the exact value of cos 2x c 5 pts In what quadrant is the angle 2x Explain your answer

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