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If cosectheta=(p+q)/(p-q), then cot(pi/4...

If `cosectheta=(p+q)/(p-q),` then `cot(pi/4+theta/2)=`

A

`sqrt((p)/(q))`

B

`sqrt((q)/(p))`

C

`sqrt(pq)`

D

pq

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The correct Answer is:
B
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OBJECTIVE RD SHARMA ENGLISH-TRIGONOMETRIC RATIOS AND IDENTITIES-Chapter Test
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  4. If sinalpha+sinbeta=a ,cosalpha+cosbeta=b=>sin(alpha+beta)=

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  8. If (a^(2)+1)/(2a)=costheta, then (a^(6)+1)/(2a^(3))=

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  15. The expression 3{sin^(6)""((pi)/(2)+alpha)+sin^(6)(5pi-alpha)} is equa...

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  16. The minimum value of (1)/(3sintheta-4costheta+7), is

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