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If pi/2 lt alpha lt pi, pi lt beta lt 3p...

If `pi/2 lt alpha lt pi, pi lt beta lt 3pi/2; sin alpha = 15/17 `and `tan beta = 12/5`, then the value of `sin(beta - alpha)` is

A

`(-171)/(221)`

B

`(21)/(221)`

C

`(21)/(221)`

D

`(171)/(221)`

Text Solution

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The correct Answer is:
D
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS OF COMPOUND ANGLES -COMPETITIVE THINKING
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