I need help with number 19 using the substitution formula. Can you please explain how it works please. Thank you
-10 10 X -10 Use the substitution formula to evaluate the integral. 214 9 tae 277 18) 3 cos2 x sin x dx 18) Tc/3 T/2 19) COS X 1O e dx 7 0 (2 + 5 sin x)3 Зп/4 20) (7 + cot 0) csc 2 0 d0 T/4 niled 5/20 21) 8 - X dx VX 1 Find the area enclosed by the given curves. 22) y 2x - x2, y = 2x - 4
We need to apply the method of substitut...
cos x dx (2 5 sin xa
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