x, y and z are unequal positive numbers. Which of the following relations is possible? (A) cosθ = (x²+y²+z²)/(xy+yz+zx)(B) secθ = (x²+y²+z²)/(xy+yz+zx)(C) sinθ = (x²+y²+z²)/(xy+yz+zx)(D) cosecθ = (xy+yz+zx)/(x²+y²+z²).
x, y and z are unequal positive numbers. Which of the following relations is possible?
(A) cosθ = (x²+y²+z²)/(xy+yz+zx)
(B) secθ = (x²+y²+z²)/(xy+yz+zx)
(C) sinθ = (x²+y²+z²)/(xy+yz+zx)
(D) cosecθ = (xy+yz+zx)/(x²+y²+z²).
Sayantan Garai , 5 Years ago
Grade 10
