sin35-2cos sq.60. please answer this question by step by step...

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hayorikanish @hayorikanish

July 2021 1 38 Report

sin35/cos55+cos55/sin35-2cos sq.60. please answer this question by step by step.

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Verified answer

We know that Sin 35° = Cos (90° - 35°) = Cos 55°
Cos 60° = Sin 30° = 1/2

Given

$\frac{Sin35^o}{Cos55^o}+\frac{Cos55^o}{Sin35^o}-2Cos^2 60^o\\\\=1+1-2*(\frac{1}{2})^2\\\\=2 - \frac{1}{2}=\frac{3}{2}$

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