Practicing Success
Practicing Success
CUET Preparation Today
What is cosec 90o / ( 1- cos² 60o ) |
0 4/3 1/4 3/4 |
4/3 |
\(\frac{cosec 90º }{1 - cos² 60º}\) { we know, sin²A + cos²A = 1 } = \(\frac{cosec 90º }{sin² 60º}\) = \(\frac{1 }{3/4}\) = \(\frac{4 }{3}\) |
