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Solve the following trigonometric equati...

Solve the following trigonometric equation :
`4sin x cos x+2 sinx+ 2cos x+1=0`.

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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
  1. Solve the following trigonometric equation : tan (pi/4+ theta)+ tan ...

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  2. Solve the following trigonometric equation : tan^3 x - 3 tan x = 0.

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  3. Solve the following trigonometric equation : 4sin x cos x+2 sinx+ 2c...

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  4. Solve the following trigonometric equation : sin x tan x- 1=tan x-si...

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  5. Solve the following trigonometric equation : 4 cos x -3 sec x = tan ...

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  6. Solve the following trigonometric equation : cot x + tan x = 2 cosec...

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  7. Solve the following trigonometric equation : sec^2 2x = 1 - tan 2x .

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  8. Solve the following trigonometric equation : cosec^3 2 theta= 4 cose...

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  9. Solve the following trigonometric equation : tan theta + tan 2 theta...

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  10. Solve the following trigonometric equation : tanx + tan 2x+ sqrt3 ta...

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  11. Find the most general value of theta, which satisfies both the equatio...

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  12. Find the most general value of theta, which satisfies both the equatio...

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  13. Find the most general value of theta, which satisfies both the equatio...

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  14. Find the general solution of the equations : sin (x-y) =1/2, cos (x+...

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  15. Find all the numbers between 0 and 2 pi, which satisfy the equation 2 ...

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  16. Find all values of A between 0^@ and 720^@, which satisfy the equatio...

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  17. In any triangle ABC, prove that : sin frac (A-B)(2)= (a-b)/c cos frac ...

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  18. In any triangle ABC, prove that : a sin (A/2+B)= (b +c) sin frac (A)(2...

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  19. In any triangle ABC, prove that : a cos frac (B-C)(2)= (b +c) sin frac...

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  20. In any triangle ABC, prove that : (a-b)/c= (sin frac (A-B)(2))/(cos fr...

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