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Prove the following identity : cot^2 t...

Prove the following identity :
`cot^2 theta ((sec theta-1)/(1+sin theta))+ sec^2 theta ((sin theta-1)/(1+sec theta)) =0`.

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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
  1. Prove the following identity : (sin theta)/(1-cos theta)= (1+cos the...

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  2. Prove the following identity : (cot^2 theta)/((1- cosec theta)^2)= (...

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  3. Prove the following identity : cot^2 theta ((sec theta-1)/(1+sin the...

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  4. Prove the following identity : (tan theta)/(1-cot theta)+ (cot theta...

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  5. (1 + cot A — cosec A) (1 + tan A + sec A) = 2 .

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  6. Prove the following identities, where the angles involved are acute an...

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  7. Prove the following identity : (1 - tan x)^2+(1 -cot x)^2 = (sec x -...

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  8. Prove the following identity : (sec theta-cos theta) (cosec theta-si...

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  9. Prove the following identity : (sin theta+ sec theta)^2 +(cos theta+...

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  10. Prove the following identity : sqrt (sec^2 theta+ cosec^2 theta)= ta...

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  11. Prove the following identity : 1/(cosec theta- cot theta)-1/(sin the...

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  12. Prove the following identity : 1/(sec theta+tan theta) -1/(cos theta...

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  13. Prove the following identity : 1/(sec theta-tan theta)= (1+sin theta...

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  14. Prove the following identity : 1/(sec theta+tan theta)= (1-sin theta...

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  15. Prove the following identity : (cot theta+ cosec theta -1)/(cot thet...

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  16. Prove the following identity : (sin theta)/(cot theta+ cosec theta)=...

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  17. Prove the following identity : (sin A-sin B)/(cosA+ cosB)+ (cosA-cos...

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  18. Prove the following identity : (1+ cot A+tan A) (sin A-cos A) =(secA...

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  19. Eliminate theta between the equation : x= h+a cos theta, y=k+ b sin ...

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  20. Eliminate theta between the equation : x = sin theta + cos theta, y ...

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