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Please answer A. B. C. 4. Trig Identities Show: 1-csc x * sin3 x = cos2 x b. Show: sin2x(1 + cot x) = 1

Please answer A. B. C.

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4. Trig Identities Show: 1-csc x * sin3 x = cos2 x b. Show: sin2x(1 + cot x) = 1 c. Show: d. Show: (sin4 x-cos" x)/ (sin2x-cos2 x) = 1 e. Show: csc2 x * tan2 x 1 tan2 x cscx cotx 1 , sinx tanx

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