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The least value of 2sin^2theta+3cos^2the...

The least value of `2sin^2theta+3cos^2theta` is 1 (b) 2 (c) 3 (d) 5

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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
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  2. The sum of all the solution of the equation costhetacos(pi/3+theta)cos...

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  3. The least value of 2sin^2theta+3cos^2theta is 1 (b) 2 (c) 3 (d) ...

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  4. In triangle ABC, prove that the maximum value of tanA/2tanB/2tanC/2i s...

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  6. Given that the side length of a rhombus is the geometric mean of the ...

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  7. The number of solution of sinx+sin2x+sin3x=cosx+cos2x+cos3x ,0lt=xlt=2...

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  8. Prove that acosA+bcosB+ccosClt=sdot

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  9. Minimum value of (sec^4alpha)/(tan^2beta)+(sec^4beta)/(tan^2alpha), w...

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  10. A man observes that when he moves up a distance c metres on a slope, ...

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  11. Which of the following is true for z=(3+2isintheta)(1-2sintheta)w h e...

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  12. Express 45^0 20 ' 10 ' ' in radian measure (pi=3. 1415)

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  13. The number of solution of sec^2theta+cos e c^2theta+2cos e c^2theta=8,...

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  14. The base of a triangle is divided into three equal parts. If t1, t2,t3...

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  15. A man observes when he has climbed up 1/3 of the length of an inclined...

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  16. Number of solutions of the equation sin^4x-cos^2xsinx+2sin^2x+sinx=0in...

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  17. If the median AD of triangle ABC makes an angle pi/4 with the side BC,...

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  18. If sintheta,tantheta,costheta are in G.P. then 4sin^2theta-3sin^4thet...

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  19. The value of k if the equation 2 cos x + cos 2kx=3 has only one soluti...

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  20. If I1, I2, I3 are the centers of escribed circles of triangle A B C ,...

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