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The set of all x in ((-pi)/2,pi/2) sati...

The set of all x in `((-pi)/2,pi/2)` satisfying `|4sinx-1| < sqrt(5)` is given by

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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
  1. If tan^3A+tan^3B+tan^3C=3tanA* tanB*tanC , then prove that triangle A...

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  2. Find the value of x for which 3cosx=x^2-8x+19 holds good.

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  3. The set of all x in ((-pi)/2,pi/2) satisfying |4sinx-1| &lt; sqrt(5) ...

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  4. a triangle A B C with fixed base B C , the vertex A moves such that co...

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  5. Prove that tan 70^@=tan 20^@+2tan50^@

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  6. Show that the equation sintheta=x+1/x is not possible if x is real.

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  7. Solve: 2sin^2x+sin^2 2x=2

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  8. In a triangle PQR, P is the largest angle and cosP=1/3. Further the in...

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  9. The upper 3/4 th portion of a vertical pole subtends an angle theta su...

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  10. Solve (log)(tanx)(2+4cos^2x)=2

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  11. If f(x)=cos^2x+s e c^2x ,then

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  12. Match the statements/expressions given in Column I with the values giv...

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  13. prove that sintheta.sec3theta+sin3theta.sec3^2theta+sin3^2theta.sec3^3...

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  14. Solve 4cot2theta=cot^2theta-tan^2theta

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  15. Find the range of f(x)=sin^2x-3sinx+2

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  16. In a triangle DeltaXYZ, let a,b and c be the lengths of the sides opp...

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  17. Prove that (cos10^0+sin10^0)/(cos10^0-sin 10^0)=tan55^0

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  18. Find the range of f(x)=1/(4cosx-3)dot

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  19. Find the general solutions of: 2^(1 + abscosx + abs(cosx)^2 + abs(co...

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  20. Let A B Ca n dA B C ' be two non-congruent triangles with sides A B=4,...

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