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Draw the graph of cos x as x vanes from ...

Draw the graph of cos x as x vanes from 0 to `pi`. With the help of the graph. solve the equation 3 cos x + 2 = 0.

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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
  1. Sketch the graphs of the following pair of equations on the same axes ...

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  2. Sketch the graphs of the following pair of equations on the same axes ...

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  3. Draw the graph of cos x as x vanes from 0 to pi. With the help of the ...

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  4. Draw the graph of cos x from 0 to pi and hence find cos 40^@ from the ...

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  5. Draw the graph of the following : y = sin (x+pi/3).

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  6. Draw the graph of the following : y = 2cos (x+pi/6).

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  7. Draw the graph of the following : y = 2sin frac (x)(2), -2 pi le x l...

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  8. Draw the graph of the following : y = 3sin (2x+pi/6) , -pi lexle pi.

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  9. Draw the graph of tan (x+pi/4) as x increases from : -pi/4 to (7pi)/4...

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  10. Draw the graph of tan x as x increases from 0 to 2pi and use it to fin...

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  11. Find the Principal solution of the following : sin x= sqrt3/2.

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  12. Find the Principal solution of the following : tan x= -1/sqrt3.

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  13. Find the principal and general solutions of the following equation:- c...

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  14. Find the principal and general solutions of the following equation:- c...

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

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

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

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

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

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

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