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Prove that sin2 π/6 + cos2 π/3 – tan2 π/4 = -1/2

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asked Dec 25, 2016 in Mathematics by sforrest072 (157,439 points)

Prove that sin² π/6 + cos² π/3 – tan² π/4 = -1/2

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answered Dec 25, 2016 by vikash (21,277 points)

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Prove that sin2 π/6 + cos2 π/3 – tan2 π/4 = -1/2

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