How can I solve this?

3tan^2x - 1 = 03tan2x1=0

1 Answer
Mar 13, 2018

x = 30° and x = -30°

Explanation:

Solve for x:
3tan^2x -1 = 0
3tan^2x = 1
tan^2x = 1/3
tanx = +-1/(sqrt3)
x = tan^-1 (1/(sqrt3)) and x = tan^-1 (-1/(sqrt3))
x = 30° and x = -30°