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If tan theta = 1/sqrt7 " then" ((cosec^...

If ` tan theta = 1/sqrt7 " then" ((cosec^(2) theta -sec^(2) theta))/((cosec^(2)theta + sec^(2) theta))` is equal to

A

`3//4`

B

`1//2`

C

2

D

`5//4`

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A
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VK JAISWAL-COMPOUND ANGLES-Exercise-5 : Subjective Type Problems
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  19. The minimum value of (sintheta+c o s e ctheta)^2+(costheta+sectheta)^...

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