Question
Show that:
Solution
Let I = 
Put cos x = t. ∴ sin x dx = – dt When x = 0, t = cos 0 = 1 When x = 
, t = cos 
= – 1
Show that:
Let I =
Put cos x = t. ∴ sin x dx = – dt When x = 0, t = cos 0 = 1 When x = , t = cos = – 1
Mock Test Series
