2tg pi/4 (tg pi/3+ cos pi/6) / cos pi -2sin 3pi/2. Created by Drowen1qSergey. algebra-ru

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August 2021 1 1 Report

2tg pi/4 (tg pi/3+ cos pi/6) / cos pi -2sin 3pi/2

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ykrid 2tg $\frac{ \pi }{4} *(tg \frac{ \pi }{3} +cos \frac{ \pi }{6} )=2*1( \sqrt{3} + \frac{ \sqrt{3} }{2} )= 3*\sqrt{3}$
cos $\pi -2sin \frac{3 \pi }{2} =-1-2*(-1)=1$
$\frac{3 \sqrt{3} }{1} = 3\sqrt{3}$

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