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If sec theta - tan theta =4//3 , then ...

If ` sec theta - tan theta =4//3` , then ` sin theta = `

A

`7//5 `

B

`-7//25`

C

`6//25`

D

none

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-TRIGONOMETRIC RATIOS AND IDENTITIES -EXERCISE 1 A ( TRIGONOMETRIC FUNCTIONS)
  1. If "cosec" theta + cot theta = -3//2 , then " cosec " theta =

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  2. If " cosec " theta - cot theta =1//3 then theta lies in the quadran...

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  3. If sec theta - tan theta =4//3 , then sin theta =

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  4. If cos theta - sin theta = sqrt(2) sin theta " then " cos theta + si...

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  5. cos theta - 4 sin theta = 1 implies sin theta + 4 cos theta =

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  6. If tan theta + cot theta =2 , " then " sin theta =

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  7. If sec theta + tan theta = p(p ne 0) , then sin theta =

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  8. If a = sin theta + cos theta , b =sin^(3) theta + cos^(3) theta , th...

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  9. sin theta + cos theta = p , sin^(3) theta + cos^(3) theta = qimpliesp(...

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  10. If sin theta + cos theta = a " then " sin^(4) theta + cos^(4) theta =

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  11. If a cos theta + b sin theta = c " then " (a sin theta - b cos theta...

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  12. If x=a ( " cosec " alpha + cot alpha) and y=(b(1- cos alpha))/(sin al...

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  13. If sec theta + cos theta =1 , " then " sec^(3) theta + cos^(3) theta...

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  14. If sin alpha + "cosec" alpha = 2, find value of sin^(n) alpha + "cosec...

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  15. If tan^(2)theta = (1-e^2) show that sec theta + tan^(3). "cosec" theta...

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  16. If sin theta + sin^(2) theta =1 , " then " cos^(2) theta + cos^(4) th...

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  17. If sin x + sin^(2) x =1 " then " cos^(8) x + 2 cos^(6) x + cos^(4) x...

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  18. If cos x + cos^(2) x =1 , " then " sin^(12) x + 3 sin^(10)x + 3sin^(8...

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  19. If cos alpha + cos beta + cos gamma =3 , " then " sin alpha + sin bet...

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  20. If sin theta 1+ sin theta 2+ sin theta 3=3 " then " cos theta 1 + cos...

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