Вычислите2 sin 34 sin 26-sin 82. Created by DaryaSolopova. algebra-ru

Вычислите2 sin 34 sin 26-sin 82...

DaryaSolopova @DaryaSolopova

July 2022 1 5 Report

Вычислите
2 sin 34 sin 26-sin 82

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$2sin34sin26-sin82=2\cdot \frac{1}{2}(cos8-cos60)-sin82=\\\\=cos8-\frac{1}{2}-sin82=cos(90-82)-\frac{1}{2}-sin82=\\\\=sin82-\frac{1}{2}-sin82=-\frac{1}{2}$

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Answers & Comments

Verified answer

napishite pozhalujsta podrobno kak reshatcos32cos282sin32 sin282

perevedite pozhalujsta na russkij samostoyatelno the beatles changed the style of

reshite pozhalujsta cos2 30gradusov sin2 30gradusov tg2 30 gradusov

pridumat konec istorii

pomogite pozhalujsta v urne 3 belyh i 5 chyornyh sharov naugad vynimayut 2 shara n

logika pridumat logicheskoe vyrazhenie po logicheskoj formule ab ab

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