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βˆ™ 12y ago
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βˆ™ 12y ago

1 + 2*sinx

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Q: What is the derivative of x-2 cos x?
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Derivative of cosx?

The derivative of cos(x) is negative sin(x). Also, the derivative of sin(x) is cos(x).


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The derivative with respect to 'x' of sin(pi x) ispi cos(pi x)


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The derivative of the natural log is 1/x, therefore the derivative is 1/cos(x). However, since the value of cos(x) is submitted within the natural log we must use the chain rule. Then, we multiply 1/cos(x) by the derivative of cos(x). We get the answer: -sin(x)/cos(x) which can be simplified into -tan(x).


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If fx equals cossinx2 then f prime equals?

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