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If `tantheta=a/b` then find the value of `(costheta+sintheta)/(costheta-sintheta)`

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RD SHARMA ENGLISH-TRIGONOMETRIC RATIOS-All Questions
  1. If cottheta = 7/8, evaluate . 1.) ((1+sintheta)(1-sintheta))/((1-cost...

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  2. If 3cot A=4 , check whether (1-tan^2A)/(1+tan^2A)=cos^2A-sin^2A or not...

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  3. If tantheta=a/b then find the value of (costheta+sintheta)/(costheta-s...

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  4. If 3tantheta=4 , find the value of (4costheta-sintheta)/(2costheta+...

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  5. If 3cottheta=2 , find the value of (4sintheta-3costheta)/(2sintheta...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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