sin18°+cos36°+tan54°=cos72°+sin54°+cot36°prove that
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Answer:
it is english ask from english not fro. maths
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Explanation:
LHS:
=sin 18°+cos 36°+tan 54°
=sin (90-72)+cos(90-54)+tan(90-36)
=cos 72°+ sin 54°+ cot 36°
=RHS
hence proved
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