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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 ENGLISH-TRIGONOMETRIC RATIOS-All Questions
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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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  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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