Practicing Success
Practicing Success
CUET Preparation Today
| If a straight line makes angles \(\alpha, \beta, \gamma\) with the co-ordinate axes, then \(\sin^{2}\alpha+ \sin^{2}\beta+\sin^{2}\gamma\) is equal to |
\(0\) \(1\) \(2\) None |
| \(2\) |
| Recall that \(\cos^{2}\alpha+\cos^{2}\beta+\cos^{2}\gamma=1\) |
