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Prove the following identity: 2sec^2the...

Prove the following identity: `2sec^2theta-sec^4theta-2cosec^2theta+cos e c^4theta=cot^4theta-tan^4theta`

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Prove the following identities: 2sec^2theta-sec^4theta-2cos e c^2theta+cosec^4 theta=cot^4theta-tan^4theta

Prove the following identities: tan^2theta+cot^2theta+2=sec^2thetacos e c^2theta

Prove the following identity: sec^4theta-sec^2theta=tan^4theta+tan^2theta

Prove the following identity: sec^4theta-sec^2theta=tan^4theta+tan^2theta

Prove that: 2s e c^2theta-s e c^4theta-2cos e c^2theta+cos e c^4theta=(1-t a n^8theta)/(t a n^4theta)

Prove the following identities: cot^4theta+cot^2theta=cos e c^4theta-"c o s e c"^2"theta"

Prove the following identity: (1/(sec^2theta-cos^2theta)+1/(cos e c^2theta-sin^2theta))sin^2thetacos^2theta=(1-sin^2thetacos^2theta)/(2+sin^2thetacos^2theta)

Prove the following identity: (1/(sec^2theta-cos^2theta)+1/(cos e c^2theta-sin^2theta))sin^2thetacos^2theta=(1-sin^2thetacos^2theta)/(2+sin^2thetacos^2theta)

Prove the following identities: (tantheta-cottheta)/(sinthetacostheta)=sec^2theta-cos e c^2theta=tan^2theta-cot^2theta

Prove the following identities: sqrt(sec^2theta+cos e c^2theta)=tantheta+cottheta

RD SHARMA ENGLISH-TRIGONOMETRIC IDENTITIES-All Questions
  1. Prove the following identities: (cos e ctheta-cottheta)^2=(1-costheta...

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

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

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

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

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

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

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

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

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

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  11. Prove the following identities: (sintheta)/(cottheta+cos e ctheta)=2+...

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  12. Prove the following identities: (cos e ctheta-sintheta)(sectheta-cost...

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  13. Prove the following identities: (1-costheta)/(1+costheta)=(cos e cthe...

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  14. Prove the following identities: (costheta)/(1-sintheta)+(costheta)/(1...

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  15. Prove the following identities: (sinA+cosA)/(sinA-cosA)+(sinA-cosA)/(s...

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  16. Prove the following identities: (cos e ctheta-sintheta)(sectheta-co...

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  17. Prove that tantheta=(sintheta-2sin^3theta)/(2cos^3theta-costheta)

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  18. Prove the following identities: cot^4A-1=cos e c^4A-2cos e c^2A

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  19. Prove the following identities: sin^4A+cos^4A=1-2sin^2Acos^2A

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  20. Prove the following identities: sin^4A-cos^4A=sin^2A-cos^2A=2sin^2A-1...

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