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If theta lies in the second quadrant, ...

If `theta` lies in the second quadrant, then the value `sqrt(((1-sintheta)/(1+sintheta)))+sqrt(((1+sintheta)/(1-sintheta)))`

A

`2 sec theta`

B

`-2sec theta`

C

`sec theta`

D

`-sec theta`

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The correct Answer is:
B
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OBJECTIVE RD SHARMA-TRIGONOMETRIC RATIOS AND IDENTITIES-Exercise
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  2. If piltthetalt 2pi, then sqrt((1+costheta)/(1-costheta)) is equal to

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  3. If theta lies in the second quadrant, then the value sqrt(((1-sinth...

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  6. If 0^@ltthetalt180^@ then sqrt(2+sqrt(2+sqrt(2+...+sqrt(2(1+costheta))...

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  12. If sinx+sin^2x=1, then find the value of cos^(12)x +3cos^(10)x + 3 cos...

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  13. If ABCD is a cyclic quadrilateral, then the value of cosA-cosB+cosC-co...

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  14. If ABCD, is a cycling quadrilateral such that tanA-5=0and 5cosB+3=0, t...

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  15. If sin (picot theta)=cos (pi tantheta), then

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  16. The value of sinx siny sin(x-y)+sinysinz sin(y-z) +sinz sinx sin(z-x)+...

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  17. If ABCD is a convex quadrilateral such that 4 sec A+5 =0 then the quad...

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  18. If (tanalpha+tanbeta)/(cot alpha+cot beta)+{cos(alpha-beta)+1}^(-1)=1,...

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  20. The value of cos12^(@)cos24^(@)cos36^(@)cos48^(@)cos72^(@)cos84^(@), i...

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