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If sectheta=(13)/5 , show that (2sint...

If `sectheta=(13)/5` , show that `(2sintheta-3costheta)/(4sintheta-9costheta)=3`

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RD SHARMA ENGLISH-TRIGONOMETRIC RATIOS-All Questions
  1. If 3cottheta=2 , find the value of (4sintheta-3costheta)/(2sintheta...

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  2. If tantheta=a/b , show that (asintheta-bcostheta)/(asintheta+bcostheta...

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  3. If sectheta=(13)/5 , show that (2sintheta-3costheta)/(4sintheta-9co...

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  4. If costheta=(12)/(13) , show that sintheta(1-tantheta)=(35)/(156)

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  5. If cottheta=1/(sqrt(3)) , show that (1-cos^2theta)/(2-sin^2theta)=3...

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  6. If tan theta=1/sqrt7,then (c o s e c^2theta-sec^2theta)/(c o s e c^2th...

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  7. If sintheta=(12)/(13) , find the value of (sin^2theta-cos^2theta)/(...

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  8. If sectheta=5/4 , find the value of (sintheta-2costheta)/(tantheta-...

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  9. If costheta=5/(13) , find the value of (sin^2theta-cos^2theta)/(2si...

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

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  11. If costheta=3/5, find the value of (sintheta-1/tantheta)/(2tantheta)

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  12. If sintheta=3/5 , evaluate (costheta-1/(tantheta))/(2cottheta)

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  13. If secA=5/4 , verify that (3sinA-4sin^3A)/(4cos^3A-3cosA)=(3tanA-ta...

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  14. If sintheta=3/4 , prove that sqrt((cos e c^2theta-cot^2theta)/(sec^...

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  15. If secA=(17)/8 , verify that (3-4sin^2A)/(4cos^2A-3)=(3-tan^2A)/(1-...

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  16. If cottheta=3/4 , prove that sqrt((sectheta-cos e c\ theta)/(secthe...

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  17. If tantheta=(24)/7 , find sintheta+costheta.

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  18. If sintheta=a/b , find sectheta+tantheta in terms of a and b .

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  19. If 8tanA=15 , find sinA-cosA

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  20. If 3costheta-4sintheta=2costheta+sintheta , find tantheta .

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