Solution
Solution
Solution steps
Apply u-substitution
Take the constant out:
Rewrite using trig identities
Apply u-substitution
Take the constant out:
Apply u-substitution
Take the constant out:
Use the common integral:
Substitute back
Simplify
Add a constant to the solution
Popular Examples
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Frequently Asked Questions (FAQ)
What is the integral of (sin(21x))/(1+cos^2(21x)) ?
The integral of (sin(21x))/(1+cos^2(21x)) is 1/21 arctan(tan^2((21x)/2))+C