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сергейважный
@сергейважный
July 2022
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решите пожалуйста, очень срочно!!!
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aleddabbaleddabb
Sin4a=2cos2a*sin2a
2cos2a*sin2a/5cos2a =>
2sin2a/5, sin2a=0,8=4/5 =>
2* 4/5 /5 = 8/25 = 0,32
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сергейважный
спасибо огромное очень выручили!!
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Answers & Comments
2cos2a*sin2a/5cos2a =>
2sin2a/5, sin2a=0,8=4/5 =>
2* 4/5 /5 = 8/25 = 0,32