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Find the values of the other five trigon...

Find the values of the other five trigonometric functions in each of the following: `costheta=-1/2,theta` in quadrant II

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RD SHARMA ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
  1. Prove that: sqrt((1-sintheta)/(1+sintheta))= sec theta- tan theta when...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. Find the values of the following trigonometric ratio: cos (1125^@)

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  20. Find the values of the following trigonometric ratio: tan315^0

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