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Prove that: sqrt((1-sintheta)/(1+sinthet...

Prove that: `sqrt((1-sintheta)/(1+sintheta))= sec theta- tan theta `when `(-pi/2) < theta < pi/2` and `-sec theta+tan theta` when `pi/2< theta< (3pi)/2`

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RD SHARMA ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
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  2. If cos theta= -1/2 and pi < theta < (3pi)/2 then find the value of 4ta...

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  3. Prove that: sqrt((1-sintheta)/(1+sintheta))= sec theta- tan theta when...

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  4. Find the values of the other five trigonometric functions I each of th...

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  5. Find the values of the other five trigonometric functions in each of t...

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  6. Find the values of the other five trigonometric functions in each of ...

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  7. Find the values of the other five trigonometric functions in each of t...

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  8. If sintheta=(12)/(13)a n d\ theta lies in the second quadrant, find th...

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  9. If sintheta=3/5,tanphi=1/2 and pi/2ltthetaltpi phi<(3pi)/ 2="" ,="" fi...

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  10. If costheta=-3/5 and pilttheta<(3pi)/2 find the values of other five ...

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  11. Find the values of the following trigonometric ratio: sin315^0

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  12. Find the values of the following trigonometric ratio: cos210^0

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  13. Find the values of the following trigonometric ratio: "cos"(-480^0)

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  14. Find the values of the following trigonometric ratio: sin(-1125^@)

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  15. Prove that: cos510^0cos 330^0+sin 390^0cos 120^0=-1.

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  16. Prove that ("cos"(90^0+theta)"sec"(-theta)"tan"(180^0-theta))/("sec"(3...

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  17. If A ,\ B ,\ C ,\ D are angles of a cyclic quadrilateral, prove that c...

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  18. Find the values of the following trigonometric ratio: sin ((5pi)/3) .

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  19. Find the values of the following trigonometric ratio: sin 3060^@

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  20. Find the values of the following trigonometric ratio: tan ((11pi)/6)

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