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The period of the function sin 3x is:...

The period of the function sin 3x is:

A

`pi`

B

`2pi`

C

`3 pi`

D

None of these.

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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
  1. The minimum value of (cos theta+ sin theta) is:

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  2. If tan theta=1/2 and tan phi=1/3, then the value of (theta + phi) is :

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  3. The period of the function sin 3x is:

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  4. The period of the function f(x) = cos 4x + tan 3x is :

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  5. The number of points of intersection of 2y-1=0 and y = sinx,-2 pi lexl...

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  6. The expression (cos 2b-cos 2a)/(sin 2b-sin2a) is equal to:

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  7. If tan x=b/a, then the value of a cos 2x+b sin 2x is :

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  8. If sin 5theta = cos 4theta where 5theta and 4theta are acute angles, f...

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  9. If 2 sin theta=a+1/a, a is real, then the solution set for a is :

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  10. The maximum value of a cos x + b sin x is :

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  11. If in a DeltaABC, sin A =sin^(2) B and 2 cos ^(2)A=3 B, then the Delta...

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  12. If the angle opf a triangle are in the ratio 1:2:3, then show that the...

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  13. If in a triangle, a/(cosA)= b/(cos B) =c/(cos C), then the triangle is...

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  14. Let the angles A, B, C of triangle ABC be in A.P. and let b:c= sqrt3:s...

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  15. The period of sin 2 theta is :

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  16. If y = sec^2 theta+ cos^2 theta, theta ne 0, then :

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  17. The sides BC, CA and AB of a triangle ABC are of lengths a, b and c re...

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  18. The angle of elevation of the top of a hill from a point is alpha. Aft...

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  19. If tan(x/2)=cosec x-sin x, then find the value of tan^(2) (x/2).

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  20. Consider the system of equations in x, y, z as x sin 3 theta-y + z=0, ...

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