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The general solution of tan3x=1 is...

The general solution of `tan3x=1` is

A

`npi + pi/4`

B

`(npi)/3+ pi/12`

C

`npi`

D

`npi+-pi/4`

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-TRIGNOMETRIC FUNCTIONS -Assignment section-A (Objective Type Questions (One option is correct))
  1. If sintheta +costheta =1, then the value of sin2theta is equal to

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  2. If "tan"A=1/(2),"tan"B=1/(3), then "tan"(2A+B) is equal to

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  3. The minute hand of a watch is 3 cm long. How far does its tip move in ...

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  4. If sintheta=(-4)/(5) and theta lies in third quadrant, then the value...

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  5. The value of tan75^(@) =

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  6. If omega is a non-real cube root of unity and n is not a multiple o...

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  7. The value of 2sinA cos^(3)A -2sin^(3)A cosA is

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  8. If tanalpha=(sqrt(3)+1)/(sqrt(3)-1), then the expression cos 2alpha +(...

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  9. If sin^2 theta=1/4 , then the value of theta is

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  10. The solution of the equation cos^2theta+sintheta+1=0 lies in the inter...

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  11. The general solution of tan3x=1 is

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  12. If sin theta =sqrt(3) cos theta, -pi lt theta lt 0, then the value of ...

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  13. Number of solution of the equation tanx+secx=2cosx lying in the interv...

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  14. If the lengths of the sides of a triangle are 3, 5, 7, then its larges...

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  15. The value of sin^2 75^0-sin^2 15^0 is a. 1//2 b. sqrt(3)//2 c. 1 d. 0

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  16. If a cosA=b cosB, then triangleABC is

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  17. If a=16, b=24 and c=20, then the value of cos(B/2) is

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  18. If a=1+sqrt(3), b=2 and c=sqrt(2), then the measure of angleB is

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  19. If angleA=60^(@), b=2 and c=4, then the value of a is

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  20. If b=sqrt(3), c=1 and angleA=30^(@), then the measure of angleB is

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