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Calculus U-Substitution Help?

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Calculus U-Substitution Help?

(cosx / (sin^(2)x) dx

I need to substitute to find the integral / antiderivative. Can anyone help me? I'm not sure which part of this would be u... and then how I substitute?
asked Feb 12, 2015 in CALCULUS by anonymous
reshown Feb 12, 2015 by goushi

1 Answer

0 votes

Step 1:

The integral is image.

Solve the integral by substitution method.

image

Apply derivative on each side with respect to image.

image

image

Substitute image and image in image.

image

image

Apply power rule image.

image

Back substitute image in image.

image.

image.

Solution:

image.

answered Feb 13, 2015 by Sammi Mentor

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