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The value of (tan3x)/(tanx) do not lie b...

The value of `(tan3x)/(tanx)` do not lie between …………

A

`-(1)/(3)and0`

B

`(1)/(3)and3`

C

`-(1)/(3)and(1)/(3)`

D

`-3and3`

Text Solution

Verified by Experts

The correct Answer is:
B
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KUMAR PRAKASHAN-TRIGONOMETRIC FUNCTIONS -TEXTBOOK BASED MCQS
  1. tan15^(@) = …………

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  2. 2cos""(5pi)/(24).cos""(pi)/(24) = ……….

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  3. The value of (tan3x)/(tanx) do not lie between …………

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  4. tan75^(@)-cot75^(@)= ………..

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  5. cosec(-1410^(@))= ………….

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  6. sintheta=-(3)/(5)andpiltthetalt(3pi)/(2) then the value of (sectheta-c...

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  7. Out of the following statement which is false?

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  8. If tantheta+sintheta=mandtantheta-sintheta=n then m^(2)-n^(2) = …………

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  9. cos105^(@)+sin105^(@) = …………

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  10. If A+B=225^(@) then (cotA)/(1+cotA).(cotB)/(1+cotB) = ………….

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  11. If y=(1+tanA)(1-tanB)andA-B=(pi)/(4) then (y+1)^(y+1) = …………

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  12. sin^(2)((pi)/(8))+sin^(2)((3pi)/(8))+sin^(2)((5pi)/(8))+sin^(2)((7pi)/...

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  13. (cos(17^(@))+sin(17^(@)))/(cos(17^(@))-sin(17^(@)))= …………

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  14. (sin(70^(@))+cos(40^(@)))/(cos(70^(@))+sin(40^(@)))= ..........

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  15. sin(12^(@))sin(48^(@))sin(54^(@))= ………..

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  16. The value of (1-tan^(2)(15^(@)))/(1+tan^(2)(15^(@))) is ………..

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  17. The value of (1-tan^(2)15^(@))/(1+tan^(2)15^(@)) is

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  18. cos^(2)(7(1^@)/(2))-cos^(2)(37(1^(@))/(2))= …………

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  19. The value of cos(480^(@))sin(150^(@))+sin(600^(@))cos(390^(@)) is …………...

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  20. cos((2pi)/(7))+cos((4pi)/(7))+cos((6pi)/(7))=

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