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The number of real roots of the equation...

The number of real roots of the equation `cos e ctheta+sectheta-sqrt(15)=0` lying in `[0,pi]` is.

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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
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  2. The minimum value of ((3sin x-4cosx-10)(3sinx+4cosx-10)) is

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  3. The number of real roots of the equation cos e ctheta+sectheta-sqrt(15...

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  4. In triangle A B C ,D is on A C such that A D=B C' and BD=D C ,/D B C=2...

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  5. If 0lt=xlt=2pi, then the number of solutions of 3(sinx+cosx)-2(sin^3x...

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  6. If a in (0,1)a n df(a)=(a^2-a+1)+(8sin^2a)/(sqrt(a^2-a+1))+(27 cos e c...

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  7. Prove that the area of a regular polygon hawing 2n sides, inscribed in...

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  8. If 2 sin^(2) ((pi//2) cos^(2) x)=1-cos (pi sin 2x), x ne (2n + 1) pi//...

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  9. If (sin^4x)/2+(cos^4x)/3=1/5t h e n (a) tan^2x=2/3 (b) (sin^8x)/8+(...

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  10. If b=3,c=4,a n dB=pi/3, then find the number of triangles that can be ...

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  11. The number of solutions of the equation cos6x+tan^2x+cos(6x)tan^2x=1 ...

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  12. Prove that the sum of the radii of the circles, which are, respectiv...

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  13. If A=4sintheta+cos^2theta, then which of the following is not true? (a...

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  15. Which of the following is the least? sin 3      (b)  sin 2        (...

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  19. In A B C , sides b , c and angle B are given such that a has two val...

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  20. If theta in [0,5pi] and r in R such that 2sintheta=r^4-2r^2+3 then the...

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