[tex]4 \sqrt{6} cos \frac{3 \pi }{4} * sin \frac{4 \pi }{3} [/tex]. Created by anuita99. algebra-ru

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[tex]4 \sqrt{6} cos \frac{3 \pi }{4} * sin \frac{4 \pi }{3} [/tex]

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

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anuita99 July 2022 | 0 Ответы

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anuita99 October 2021 | 0 Ответы

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