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kvast
@kvast
August 2022
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Решить соs(π/2 - α)sin(2π + α) + соs(3π/2 - α)sin(π – α)
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Ксюшка23
Sina*Sina + (-Sina)*Sina= Sin^2 a - Sina^2 = 0По формулам приведения все легко решается )
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