Question

if cos²x (π/6)=2 find x.​

Answer 1

Answer:

x = π/4 or 45°

Step-by-step explanation:

$cos^{2}(x) = \frac{1}{2}\\cos(x) = \frac{1}{\sqrt{2}} \\x = \frac{pi}{4}$

so x = π/4 or 45°