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If tantheta=(12)/(13) , evaluate (2sinth...

If `tantheta=(12)/(13)` , evaluate `(2sinthetacostheta)/(cos^2theta-sin^2theta)` .

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RD SHARMA-TRIGONOMETRIC RATIOS-All Questions
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  3. If tantheta=(12)/(13) , evaluate (2sinthetacostheta)/(cos^2theta-sin^2...

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  4. If /B and /Q are acute angles such that sinB=sinQ , then prove t...

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  5. If sinA=2/3 , find other trigonometric ratios.

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  6. If cosA=4/5 , find other trigonometric ratios.

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  7. If tantheta=11 , find other trigonometric ratios

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  8. If sintheta=(11)/(15) , find other trigonometric ratios

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  9. Given tanalpha=5/(12)\ , find other trigonometric ratios

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  10. sintheta=(sqrt(3))/2 , find other trigonometric ratios

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  11. If costheta=7/(25) , find other trigonometric ratios

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  12. If Value of tantheta=8/(15) , find other trigonometric ratios

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  13. If cottheta=(12)/5 , find other trigonometric ratios

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  14. If sectheta=(13)/5 , find other trigonometric ratios

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  15. If cos e cA=sqrt(10), find other five trigonometric ratios.

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  16. costheta=(12)/(15) is given, find other trigonometric ratios

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  20. given : 15 cotA = 8 find sinA and secA

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