Evaluate the following definite integrals:
We know,
⇒ 
⇒ 
⇒ 
Let sin x = t. Hence, cos x dx = dt. For second expression,
Put t = sin(x)
⇒ 
(equation 2)
From equation 2 put value of 
in equation 1.
19
Evaluate the following definite integrals:
We know,
⇒
⇒
⇒
Let sin x = t. Hence, cos x dx = dt. For second expression,
Put t = sin(x)
⇒
(equation 2)
From equation 2 put value of in equation 1.