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Prove : cos(3pi/2 + x)cos(2pi + x)[cot(3pi/2 - x) + cot(2pi + x)] = 1

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Prove : 

cos(3pi/2 + x)cos(2pi + x)[cot(3pi/2 - x) + cot(2pi + x)] = 1

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1 Answer

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Best answer

L.H.S.

= 1 = R.H.S.

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