Question

If angle θ is divided into two parts A and B such that A − B = x and tan A:tan B = k:1, then the value of sin x is

(A)  k - 1/k + 1 sin θ

(B)  k + 1/k sin  θ

(C)  k + 1/k - 1 sin  θ

(D)  None of these

Answer 1

Correct option  (A)  k - 1/k + 1 sin θ

Given tan A/tan B = k/1