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Prove the following trigonometric identi...

Prove the following trigonometric identities: `(tantheta+sintheta)/(tantheta-sintheta)=(sectheta+1)/(sectheta-1)`

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RD SHARMA ENGLISH-TRIGONOMETRIC IDENTITIES-All Questions
  1. Prove the following identities: (cos^2theta)/(1-tantheta)+(sin^3theta...

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  2. Prove the following identities: (sin^3theta+cos^3theta)/(sintheta+c...

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  3. Prove the following trigonometric identities: (tantheta+sintheta)...

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  4. Prove the following identities: (cosA)/(1-tanA)+(sinA)/(1-cotA)=cos...

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  5. Prove the following identities: (tanA)/(1-cotA)+(cotA)/(1-tanA)=1+t...

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  6. Prove the following trigonometric identities: cottheta-tantheta=(2cos...

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  7. Prove the following trigonometric identities: tantheta-cottheta=(2sin...

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  8. Prove the following identities: tan^2theta+cot^2theta+2=sec^2thet...

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  9. Prove the following identities: sqrt(sec^2theta+cos e c^2theta)=t...

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  10. Prove the following identities: (sintheta+sectheta)^2+(costheta+cos e...

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  11. Prove the following identities: (cos e ctheta-cottheta)^2=(1-costheta...

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  12. Prove the following identities: sec^4A-sec^2A=tan^4A+tan^2A

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  13. Prove the following identity: 2sec^2theta-sec^4theta-2cosec^2theta+co...

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  14. Prove the following identities: (sintheta-sectheta)^2+(costheta-cos e...

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  15. (sintheta)/(1+costheta)+(1+costheta)/(sintheta)=2cosectheta

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  16. Prove the following identities: (tantheta-cottheta)/(sinthetacostheta...

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  17. Prove the following identities: 1/(sectheta-tantheta)=sectheta+tanthe...

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  18. Prove the following identities: (sectheta-tantheta)/(sectheta+tantheta...

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  19. Prove the following identities: (tantheta+sectheta-1)/(tantheta-secth...

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  20. Prove the following identities: (cotA+cos e cA-1)/(cotA-cos e cA+1)=(...

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