Answer: 7
Step-by-step explanation:
Derivitive of cosx=-sinx
dy/dx sinx=cosx
and use chain rue
2cosx=-2sinx
2cos2x=-4sin2x
so
-2sinx-4sin2x id the deritivitve
Your multiplying by -4 each time
-1x-4=4
4x-4=-16
-16x-4=64
Answer:
Assicative property
Step-by-step explanation:
Hope this helped!
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