Question:
If $sin\alpha +sin \beta = \frac{\sqrt6}2$ and $cos \alpha + cos\beta = \frac{\sqrt2}2$ then $coas(\alpha - \beta)$ is equa; to
If $sin\alpha +sin \beta = \frac{\sqrt6}2$ and $cos \alpha + cos\beta = \frac{\sqrt2}2$ then $coas(\alpha - \beta)$ is equa; to
Updated On: Jun 10, 2024
- $\frac1{2}$
- $\frac{{3}}{2}$
- $\frac{-1}{2}$
- $\frac{-3}{2}$
- 0
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