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Simplify sec A (1-sin A ) (secA+tan A)...

Simplify sec A ` (1-sin A ) (secA+tan A) `

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VGS PUBLICATION-BRILLIANT-TRIGONOMETRY-EXERCISE
  1. Show that (1- tan ^(2) A ) /( cot ^(2) A-1) =tan ^(2) A

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  2. Show that 1/cos O/-cos O/ = tan O/ cdot sinO/(0^o < O/ <90^o)

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  3. Simplify sec A (1-sin A ) (secA+tan A)

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  4. Prove that ( sin A+ cosec A)^2+(cos A+sec A)^2=7+tan^2 A+ cot^2 A.

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  5. Simplify (1-cos theta ) (1+cos theta ) (1+ cot ^(2) theta) .

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  6. Simplify (1-cos theta ) (1+cos theta ) (1+ cot ^(2) theta) .

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  7. If sec theta +tan theta =p, then what is the value of sec theta -tan...

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  8. If cosec theta + cot theta =k , then prove that cos theta =(k^(2)-1)/(...

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  9. Prove that (cot theta -cos theta )/( cot theta +cos theta ) =(cos ec t...

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  10. Prove that (sin theta -cos theta+1 )/( sin theta + cos theta -1) =(1)...

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  11. Prove that (cosec A - sin A ) (sec A -cos A) = ( 1)/( tan A +cot A)

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  12. Prove that ( 1+ sec A)/( sec A) =(sin ^(2) A)/( 1-cos A)

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  13. Show that ((1+tan ^(2) A) /(1+cot ^(2) A ) ) =((1+ tan )/( 1-cot A ))^...

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  14. Prove that ((sec A -1))/( (sec A+1) ) =((1-cos A)/((1+cos A )))

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  15. tan^(2) theta - 1 / cos^(2) theta =-1 అని చూపండి.

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  16. Explain the meaning of cos A.

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  17. If tan O/ = sqrt3 ( O/ is acute angle) then find the value of 1+cos...

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  18. Evaluate (sin 58^o / cos 32^o) + (tan 42^o/ cot 48^o)

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  19. sin A = 1 / sqrt 2 tan B =1 sin (A + B) =

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  20. Express cos O/ in terms of tan O/ .

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