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катя15197
@катя15197
August 2022
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1. Вычислите sin t и cos t, если а) t=5П/6; б) t=5П/4; в) t= 7П/6; г) t= 9П/4.
2. Вычислите: а) sin(-П/4) + cos П/3 + cos (-П/6);
б) cos П/6 * cosП/4 *cos П/3 * cos П/2.
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volkodav575
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Решение на фото, надеюсь видно.
6 votes
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Verified answer
Решение на фото, надеюсь видно.