Найдите значение выражения 5sin^2a+8cos^2a при a =- 0.2
karina072006
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04.10.2019 19:10
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Ответы
PashaVershinin
09.10.2020 20:27
5sin^2a+5cos^2a+3cos^2a=5+3cos^2a=5+3cos^2 0,2
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