If \[\frac{\pi }{2} – McqOptions

1.	If \[\frac{\pi }{2}<\alpha <\pi ,\,\text{ }\pi <\beta <\frac{3\pi }{2};\] \[\sin \alpha =\frac{15}{17}\] and \[\tan \beta =\frac{12}{5}\], then the value of \[\sin (\beta -\alpha )\] is [Roorkee 2000]
A.	-0.773755656108597
B.	-0.0950226244343891
C.	21/221
D.	171/221
Answer» E.

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If \[\frac{\pi }{2}<\alpha <\pi ,\,\text{ }\pi <\beta <\frac{3\pi }{2};\] \[\sin \alpha =\frac{15}{17}\] and \[\tan \beta =\frac{12}{5}\], then the value of \[\sin (\beta -\alpha )\] is [Roorkee 2000]

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