Question

If 2ycoso = xsino and 2xseco - ycoseco = 3 then the value of x2 + 4y2 is
(A) 2
(B) 1
(C)0
(D) 4​

Answer 1

Could be opt. no (D) not sure

Answer 2

Answer:

answer will be (D)4.

hope it helps.