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If sectheta=sqrt2 and (3pi)/2ltthetalt2p...

If `sectheta=sqrt2` and `(3pi)/2ltthetalt2pi`. Then the value of `(1+tantheta+cosectheta)/(1+cottheta-cosectheta)` is

A

(-1)

B

`(+-1/sqrt2)`

C

`(-sqrt2)`

D

1

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The correct Answer is:
A
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PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
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  12. If tanA=(1-cosB)/sinB, then

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  13. If m and M be the minimum and maximum value of 10 cos^2x-6sinxcosx+2si...

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  17. (1+sintheta-costheta)/(1+sintheta+costheta)=

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