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The period of sin 2 theta is :...

The period of `sin 2 theta` is :

A

`pi^2`

B

`pi`

C

`2pi`

D

`pi/2`.

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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
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  8. Consider the system of equations in x, y, z as x sin 3 theta-y + z=0, ...

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  9. Prove that cos^(4) .(pi)/(8) + cos^(4).(3pi)/(8)+cos^(4).(5pi)/(8)+c...

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  11. The equation sqrt3 sinx+cos x=4 has:

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  12. The value of cos 15^@ cos 7 1^@/2 sin 7 1^@/2 is:

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  13. The most general values of 'x' for which sin x + cos x =underset( a i...

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  14. If a= 2 sqrt2, b= 6, A = 45^@, then:

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  15. In triangle ABC, if sin Asin B=(ab)/c^2, then the triangle is :

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  16. The value of : (1+cos frac (pi)(6)) (1+cos frac (pi)(3))(1+cos frac (2...

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  17. P=1/2 sin^2 theta+1/3 cos^2 theta, then :

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  18. The smallest value of 5 cos theta+ 12 is :

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  19. Smallest form of 2/(sqrt(2+sqrt(2+sqrt(2+2 cos4x)))) is :

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  20. If 5 cos 2 theta +2 cos^2 (theta/2)+1=0, when (0 ltthetalt pi), then t...

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