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Find the derivative of the trigonometric function

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Find the derivative of the trigonometric function

asked Jan 21, 2015 in CALCULUS by anonymous
reshown Jan 21, 2015 by bradely

1 Answer

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Step 1:

The trigonometric function is image.

Apply derivative on each side with respect to image.

image

Using differentiation property image.

Here, image and  image.

image and image.

image

image

image

Using Pythagorean identity image.

image

Using Pythagorean identity image.

image

image

Cancel common terms.

image.

Solution:

image.

answered Jan 21, 2015 by Sammi Mentor

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