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If 5tanalpha=4 , show that (5sinalpha...

If `5tanalpha=4` , show that `(5sinalpha-3cosalpha)/(5sinalpha+2cosalpha)=1/6`

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RD SHARMA-TRIGONOMETRIC RATIOS-All Questions
  1. In /\A B C , right angled at B , if tanA=1/(sqrt(3)) , find the v...

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  2. Given that 16cotA=12 ; find the value of (sinA+cosA)/(sinA-cosA) .

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  3. If 5tanalpha=4 , show that (5sinalpha-3cosalpha)/(5sinalpha+2cosalp...

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

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

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

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

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  8. If tantheta=11 , find other trigonometric ratios

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

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

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

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

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

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

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

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

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

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  18. In a /\A B C , right angled at B , A B=24 c m , B C=7c m . Determin...

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  19. In Fig., find tanP and cotR . Is tanP=cotR ?

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  20. If sinA=9/(41) , compute cosA and tanA .

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