Solve: cos –1 √3x+cos –1 x= π/2

Question

Philoid · Accepted Answer

Given:-

Take

We know that, Formula

Thus,

⇒

Squaring both sides, we get

⇒ 3x⁴ = 1 – x² – 3x² + 3x⁴

⇒ 1 – 4x² = 0

⇒