Question

Consider system of equation in variables a, B.
[sin(a - b) + cos(a + 2B)sinB]" = 4cosasinſsin(a + b) and tana = 3tanß.
36.
If sum of all possible values of sin+B is (where a and b are coprime numbers), then value of 2a + bis
(A) 17
(B) 25
(C) 13
(D) 22​

Answer 1

Answer:

25

Step-by-step explanation:

I think

which std question