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Solve the following trigonometric equati...

Solve the following trigonometric equation :
`cos theta =1/2`.

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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
  1. Find the principal and general solutions of the following equation:- c...

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  2. Solve the following trigonometric equation : sin theta=-1.

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  3. Solve the following trigonometric equation : cos theta =1/2.

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  4. Solve the following trigonometric equation : tan theta= sqrt3.

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  5. Solve the following trigonometric equation : sec x = 2.

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  6. Solve the following trigonometric equation : cot x = -sqrt3.

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  7. Solve the following trigonometric equation : cosec x = -2.

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  8. Solve the following trigonometric equation : sec x= sec (x+pi).

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  9. Solve the following trigonometric equation : sin theta cos theta= sq...

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  10. Solve the following trigonometric equation : tan^2 theta =1.

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  11. Solve the following trigonometric equation : sin x= tan x.

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  12. Solve the following trigonometric equation : 2 (cos^2 theta-sin^2 th...

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  13. Solve the following trigonometric equation : sin m theta + sin n the...

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  14. Solve the following trigonometric equation : cos m theta +cos n thet...

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  15. Solve the following trigonometric equation : sin 2 theta + cos theta...

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  16. Solve sin 3 theta + cos 2 theta = 0.

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  17. Solve the following trigonometric equation : tan 2 theta tan 3 theta...

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  18. Solve the following trigonometric equation : sin x + cos x=2 cos x.

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  19. Solve the following trigonometric equation : cos 3 theta + cos theta...

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  20. Solve the following trigonometric equation : cos 3 theta + 8cos^3 th...

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