Posted by
**sh** on
.

Find the derivative of y with respect to x:

y=(1+cos²x)^6

y'=6(1+cos²x)^5

How do you derive inside the brackets? The answer says -sin2x, but wouldn't it be -2sinx, using the chain rule.

Wednesday

March 29, 2017
Posted by
**sh** on
.

Find the derivative of y with respect to x:

y=(1+cos²x)^6

y'=6(1+cos²x)^5

How do you derive inside the brackets? The answer says -sin2x, but wouldn't it be -2sinx, using the chain rule.

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