Ответ:
1/2(sin(2a+3b)+sin(2a-3b))
Объяснение:
sina*cosb=1/2(sin(a+b)+sin(a-b))
sin2acos3b=1/2(sin(2a+3b)+sin(2a-3b))
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Ответ:
1/2(sin(2a+3b)+sin(2a-3b))
Объяснение:
sina*cosb=1/2(sin(a+b)+sin(a-b))
sin2acos3b=1/2(sin(2a+3b)+sin(2a-3b))