Practicing Success
Practicing Success
CUET Preparation Today
If $\sin \alpha+\sin \beta=\cos \alpha+\cos \beta=1$, then $\sin \alpha+\cos \alpha=$ ? |
-1 0 1 2 |
1 |
We are given that , sin α + sin β = cos α + cos β = 1 Let us assume, α= 90º and β = 0º Now, sin α + cos α = sin 90º + cos 90º = 1 + 0 = 1 |
