Question

(1 + cosx)raise to power 1/2

Answer 1

2rad2sinx/2

Answer 2

means tell me again

Answer 3

shall i explain it u?

Answer 4

cos2x = 2cos^2x-1

so in question

(1 + cosx)^1/2

now thru the formula ...

1 + cosx =2cos^2x/2


so now when we replace the value


rad(2) cosx/2

which has integral

rad(2) * 2 . sinx/2