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Prove that (1 + 1/(tan^2A)) (1 + 1/(cot^...

Prove that `(1 + 1/(tan^2A)) (1 + 1/(cot^2A)) = 1/(sin^2 A - sin^4 A )`

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Prove that : (i) (1)/(1+tan^(2)theta)+(1)/(1+cot^(2)theta)=1 (ii) sin^(2)theta+(1)/(1+tan^(2)theta)=1

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(1+(1)/(tan^(2)theta))(1+(1)/(cot^(2)theta))=(1)/(sin^(2)theta-sin^(4)theta)

UNIQUE PUBLICATION-TRIGONOMETRY-UNIQUE PRACTICE SESSION
  1. If cosec theta - cot theta = alpha, write the value of cosec theta + c...

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  2. If tan theta=1, then (sin theta+cos theta)/(sec theta+cosec theta)=

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  3. त्रिकोणमितीय सर्वसमिकाओं को सिद्ध करो : (1)/(cosec A- cot A )-(1)/(s...

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  4. Prove that sqrt((1+sintheta)/(1-sintheta))=sectheta+tantheta

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  5. The length of the shadow of a tower standing on level plane is foun...

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  6. A circus artist is climbing from the ground along a rope stretched ...

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  7. An observer at a distance of 10 m from a tree looks at the top of the ...

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  8. From the top of a building , an observer is looking at a scooter parke...

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  9. The angle of elevation of a jet plane from a point A on the grund is 6...

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  10. Prove that : (tan theta)/(sec theta -1) + (tan theta)/(sec theta + 1...

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  11. Prove that (1+tan theta )^2 + (1+cot theta)^2 = (sec theta + cosec t...

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  12. Prove that (1 + 1/(tan^2A)) (1 + 1/(cot^2A)) = 1/(sin^2 A - sin^4 A )

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  13. Prove that: (sectheta-1)/(sectheta+1)=((sintheta)/(1+costheta))^2

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  14. Two buildings are in front of each other on either side of a road of w...

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  15. If 5 sin theta - 12 cos theta = 0 , find the values of sec theta and c...

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  16. To find the width the river, a man observes the top of a tower on the ...

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  17. Eliminate theta if x=a cot theta -b cosec theta and y=acot theta+b cos...

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  18. If cos theta=(sqrt(3))/2 then find the value of (1-sec theta)/(1+cosec...

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  19. Roshani saw an eagle on the to of a tree at an angle of elevation of 6...

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  20. A tree breaks due to storm and the broken part bends so that the to...

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