How would you find this integral using u substitution?
#int_(-pi/6)^(pi/6)sec^2(2x)dx#
When I use the U substitution and change x values into u values my answer was -#sqrt(3)#
I know the answer should be #sqrt(3)# .
When I use the U substitution and change x values into u values my answer was -
I know the answer should be
1 Answer
Feb 1, 2018
See explanation.
Explanation:
Let
Changing the bounds:
the new integral becomes: