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Prove the following (cosectheta-sintheta...

Prove the following
`(cosectheta-sintheta)(sectheta-costheta)=1//(tantheta+cottheta)`

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Prove the following (sintheta-2sin^3theta) /(2cos^3theta-costheta) =tantheta

Prove the following costheta/(1-tantheta) +sintheta/(1-cottheta)=sintheta+costheta

Prove the following (cosectheta+cottheta-1) /(cottheta-cosectheta+1) =(1+costheta) /sintheta

Prove the following 1/(sectheta-tantheta) -1/costheta=1/costheta-1/(sectheta+tantheta)

Prove the following 1+(cot^2theta) /(1+cosectheta)=cosectheta

Prove the following (tantheta-cottheta)/(sintheta*costheta) =sec^2theta-cosec^2theta.

Prove the following (sin theta) /(1+costheta) =(1-costheta) /(sintheta)

Prove the following 1/(cosectheta-cottheta) -1/sintheta=1/sintheta-1/(cosectheta+cottheta)

Prove the following {(1-sintheta) /costheta}^2=(1-sintheta) /(1+sintheta)

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KALYANI PUBLICATION-RELATIONS BETWEEN TRIGONOMETRIC RATIOS AND RELATED IDENTITIES-EXERCISE
  1. Prove the following sqrt{(1+costheta) /(1-costheta)} =(1+costheta) /si...

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  2. Prove the following sqrt{(1-sintheta) /(1+sintheta)} =sectheta-tanthet...

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  3. Prove the following (cosectheta-sintheta)(sectheta-costheta)=1//(tanth...

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  4. Prove the following (1+tan^2theta) /(1+cot^2theta) =((1+tantheta) /(1+...

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  5. Prove the following sin^4theta-cos^4theta=sin^2theta-cos^2theta=1-2cos...

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  6. Prove the following sin^6theta+cos^6theta=1-3sin^2thetacos^2theta

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  7. Prove the following 2sec^2theta-2cosec^2theta-sec^4theta+cosec^4theta=...

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  8. Prove the following (cos^2theta) /(1-tantheta) +sin^3theta/(sintheta-c...

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  9. Prove the following (sintheta-2sin^3theta) /(2cos^3theta-costheta) =ta...

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  10. Prove the following (sintheta +cosectheta) ^2+(costheta+sectheta) ^2=7...

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  11. If (sec A + tan A)(sec B + tan B)(sec C + tan C) = (sec A- tan A)(sec ...

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  12. If sin^2theta + sin^ 4theta = 1, then prove that cos^2theta+ costheta...

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  13. If tan^4theta - tan^2 theta= 1, then prove that cos^4theta+ cos^2theta...

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  14. If 3 tantheta+ cottheta =5cosec theta, then prove that costheta=1/2

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  15. If 7 sin^2theta + 3 cos^2 theta= 4, then prove that tantheta = 1/s...

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  16. If cosectheta + cottheta= k, then prove that costheta=(k^2-1) /(k^2+1)

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  17. If tantheta+ cot theta = 2, then prove that tan^10theta + cot^10 theta...

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  18. If sintheta + cosectheta= 2, then prove that sin^100theta + cosec^100 ...

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  19. If sintheta - costheta = 1, then prove that sintheta + costheta =+-1

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  20. If cos^2theta- sin^2theta= tan^2 phi, then prove that cos^2phi – sin^2...

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