Question

If x = p sec Ɵ and y = q tan Ɵ , then

(a) x² - y²= p²q²
(b) x²q²- y²p² = pq
(c) x²q²- y²p² = 1/
(d) x²q² - y²p² = p²q²

Answer 1

Answer:

(d)

Step-by-step explanation:

please refer picture it might help