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If A+B+C= pi//2 then show that cot A + c...

If `A+B+C= pi//2` then show that `cot A + cot B+ cot C=cot A cot B cot C`

A

`sin A sin B sin C `

B

`cos A cos B cos C `

C

`tan A tan B tan C `

D

`cot A cot B cot C `

Text Solution

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-TRIGONOMETRIC RATIOS AND IDENTITIES -EXERCISE 1 B ( COMPOUNDS ANGLES )
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  13. In Delta ABC, cos""(A)/(2) + sin""((B-C)/(2))=

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  14. In Delta ABC , sin"(A)/(2) + cos""((B-C)/(2))=

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