Question

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?

Answer 1

Step 1:

The integral is .

Solve the integral by substitution method.

Apply derivative on each side with respect to .

Substitute and in .

Apply power rule .

Back substitute in .

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Solution:

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