Question

\cos (x-10\deg )=(\sqrt(3))/(2)

Answer 1

40°

Explanation:

`\cos (x-10\degree )= ( √(3) )/(2) \\ \\ \cos (x-10\degree )=\cos 30\degree \\ \\ x-10\degree = 30\degree \\ \\ x = 30\degree + 10\degree \\ \\ x = 40\degree`