Practicing Success
Practicing Success
CUET Preparation Today
If $sin^2 x - 3cos^2x = 0 $, then the value of x (0 < x < 90°) is : |
45° 30° 60° 15° |
60° |
sin²x - 3 cos²x = 0 sin²x = 3 cos²x tanx = \(\sqrt {3 }\) { we know, tan60º = \(\sqrt {3 }\) } So, x = 60º |
