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yulyarashidova
@yulyarashidova
August 2021
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cos(4-ой степени)альфа+cos(2-ой степени)альфа*sin(2-ой степени)альфа+sin(2-ой степени)альфа. Пожалуйста упростите выражение.
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MrHelper98
Cos^4a+cos^2a*sin^2a+sin^2a=cos^2a(cos^2a+sin^2a)+sin^2a=cos^2a+sin^2a=1
вроде понятно объяснение:3
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yulyarashidova
спасибо большое! ❤
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вроде понятно объяснение:3