Question

pls give the ans of this question ​

Answer 1

Answer:

1

let (1-sinx)^1/2 be x and (1+sinx)^1/2 be y we get

(x+y/x-y)1/cot multiply by x+y both upwards and downwads to get x^2+y^2+2xy/x^2-y^2 and you get the anwser 1/cot*tan so ans is 1