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zvonat [6]
2 years ago
7

Find derivative of 2cosx+2cos2x

Mathematics
1 answer:
Zarrin [17]2 years ago
7 0
Derivitive of cosx=-sinx
dy/dx sinx=cosx
and use chain rue

2cosx=-2sinx
2cos2x=-4sin2x
so
-2sinx-4sin2x id the deritivitve
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