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Prove that (sec theta+cos theta) (sec th...

Prove that `(sec theta+cos theta) (sec theta-cos theta)=tan^(2) theta+sin^(2) theta`

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`tan^(2) theta+sin^(2) theta`
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FULL MARKS-TRIGONOMETRY-Additional Questions Solved
  1. Prove that (sec theta+cos theta) (sec theta-cos theta)=tan^(2) theta+s...

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  2. If tan theta+sec theta=x" show that 2 tan "theta=x -1/x, 2 sec theta=x...

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  3. If tan theta+sin theta= p, tan theta-sin theta=q and p gt q " then sho...

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  4. If cos theta+sin theta=sqrt2 cos theta, show that cos theta-sin theta=...

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  5. Prove that (1+tan A+sec A)(1+cot A-" cosec A")=2

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  6. An athlete runs 4 times around a circular running track to describe 17...

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  7. Find the angle through which a pendulum swings if its length is 75cm a...

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  8. The angle of a quadrilateral are in A.P. and the greatest angle is 120...

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  9. A railroad curve is to be laid on a circle. What radius should be used...

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  10. A horse is tied to a post by a rope. If the horse moves along a circul...

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  11. A circular wire of radius 3 cm is out bent so as to lie along the circ...

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  12. Let alpha, beta" such that "pi lt alpha-beta lt 3pi." If sin "alpha+si...

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  13. Prove that sin 600^(@)* tan (-690^(@))+sec 840^(@)*cot(-945^(@))=3/2

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  14. Prove that sin (270^(@)-theta) sin (90^(@)-theta)-cos(270^(@)-theta) c...

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  15. Prove that cos 24^(@)+cos 55^(@)+cos 125^(@)+cos 204^(@)+cos 300^(@)=1...

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  16. Prove that cos^(2)""pi/8+cos^(2) ""(3pi)/(8)+cos^(2)""(5pi)/(8)+cos^(2...

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  17. Prove that [1+cot alpha-sec(alpha+pi/2)] [1+cot alpha+sec (alpha+pi/2)...

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  18. Write the general form for tantheta

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  19. Simplify (cos(90^@+theta)sec (-theta)tan(180^(@)-theta))/(sec(360^(@)-...

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  20. Find x from the equation cosec (90^(@)+A)+x cos A cot (90^(@)+A)=sin(9...

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