Question

eliminate t between a cosec t + b cot t= x , a cot t + b cosec t = y​

Answer 1

If a cot A + b cosec A=p and b cot A +a cosec A =q then p2-q2 is equal to :

(A) a2-b2 (B) b2-a2 (C) a2+b2 (D) b-a

[A=theta]