Practicing Success
Practicing Success
CUET Preparation Today
In ΔABC, if ∠B = 90º, AB = 21 cm and BC = 20 cm, then $\frac{1+sinA-cosA}{1+sinA+cosA}$ is equal to : |
$-\frac{3}{5}$ $\frac{2}{5}$ $-\frac{2}{5}$ $\frac{3}{5}$ |
$\frac{2}{5}$ |
