यदि alpha और beta पूरक कोण और cosec alph...

यदि `alpha` और `beta` पूरक कोण और `cosec alpha= (5)/(3)` है, तो `sin alpha cos beta- cos alpha sin beta` का मान ज्ञात करें।

A

`(7)/(25)`

B

`(25)/(7)`

C

`(-7)/(25)`

D

`(-25)/(7)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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