Find the integrals of the functions.
sin-1(cosx)
Let cosx = t
Then, sinx =
=> (-sinx)dx = dt
=> dx =
⇒ Now,
⇒
Let sin-1 t = v
=>
…(1)
We know that,
sin-1x + cos-1 x =
⇒ sin-1(cosx)=
Now, substituting in eq(1), we get,