Question

if cos∅+sec∅=√3 show that cos ³∅+sec³∅=0

Answer 1

Hello user


cos∅+sec∅=√3

Cubing both the sides we get,

cos ³∅+sec³∅ + 3 (3^1/2) = 3 × 3^1/2

cos ³∅+sec³∅ = 0

Hence proved