could someone check this for me? 1. 2. THANKS
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Once you have int( 2cos^2(x)sin(x)dx) Let u = cos(x) then you have simply -2 int(u^2du) isn't correct since du/dx would be cos(2x)
Originally Posted by differentiate could someone check this for me? 1. Correct up to here. Let so that . So the integral becomes .
Originally Posted by differentiate could someone check this for me? 1. 2. THANKS Q.2 is correct. Alternatively you can use a substitution. . Let so that . The integral becomes . It's not difficult to show that this is equivalent to what you posted.
thank you. I get it now. so for this one:
Originally Posted by differentiate thank you. I get it now. so for this one: Correct.
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