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podlovskiy
@podlovskiy
August 2022
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Упростить:
sin8acos2a-cos8asin2a
сos2acos4a-sin2asin4a
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hflf66
Sin(8-2)= sin 6a
cos (2+4)= cos 6a
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Answers & Comments
cos (2+4)= cos 6a