преобразовать:19 *sin 17 *sin 73/cos 236=. Created by Bananaa. algebra-ru

cos 236=...

August 2022 1 30 Report

преобразовать:
19 *sin 17 *sin 73/cos 236=

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$\frac{19 *sin 17 *sin 73}{cos 236}=\frac{19 *sin 17 *sin(90-17)}{cos( 270-34)}=\frac{19 *sin 17 *cos17}{-sin34}=\frac{9,5 sin 34}{-sin34}=-9,5$

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