Class 11MathematicsTrigonometric FunctionsTrigonometrical ratios of sum and difference of two and three angles
Mediumજો $\frac{\pi}{2} < \alpha < \pi$ અને $\pi < \beta < \frac{3\pi}{2}$,જ્યાં $\sin \alpha = \frac{15}{17}$ અને $\tan \beta = \frac{12}{5}$ હોય,તો $\sin(\beta - \alpha)$ ની કિંમત શોધો. ($/221$ માં)
- A$-171$
- B$-21$
- C$21$
- D$171$
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