Ответ:
2cos(x)/5
Объяснение:
(sin(2x))/(5sin(x))=(2sin(x)cos(x))/(5sin(x))=2cos(x)/5
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Ответ:
2cos(x)/5
Объяснение:
(sin(2x))/(5sin(x))=(2sin(x)cos(x))/(5sin(x))=2cos(x)/5