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The number of solutions of the equation `cos^(-1)((1+x^2)/(2x))-cos^(-1)x=pi/2+sin^(-1)x` is 0 (b) 1 (c) 2 (d) 3

A

0

B

1

C

2

D

3

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FIITJEE-TRIGONOMETIC EQUATIONS -ASSIGNMENT PROBLEMS (OBJECTIVE) (LEVEL 1)
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  2. Find the number of solution of the equations sin^3 x cos x + sin^...

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  3. If -1lexle0 then sin^(-1)x equals

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  4. If x is an acute angle and sin (x + 28^(@))=cos (3x - 78^(@)), then x ...

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  5. The number of solution of the equation sin theta cos theta cos 2 thet...

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  6. The equatin 2x = (2n +1)pi (1 - cos x) , (where n is a positive intege...

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  7. The number of solutions of the equation "tan" x + "sec"x = 2"cos" x ly...

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  8. The equation (cosp-1)^x^2+(cos p)x+s in p=0 in the variable x has real...

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  9. The number of solution of the equation |cotx|=cotx+(1)/(sin x)(0lexle...

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  10. if 1+sinx+sin^2x+sin^3x+...........oo=4+2sqrt3, 0 ltx lt pi and x !=p...

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  11. The solution set of sin(x+pi/4)=sin 2x

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  12. If a,b,c be positive real numbers and the value of theta=tan^(- 1)sqrt...

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  13. The greatest possible value of the expression tan (x+2pi)/(3)-tan(x+(p...

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  14. cos^(-1)\ (cos(2\ cot^(-1)\ (sqrt(2)-1)))

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  15. All the pairs (x, y) that satisfy the inequality 2 sqrt(sin^(2) x - ...

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  16. If (1-tan theta)(1+tan theta)sec^2 theta+2^(tan^2 theta)=0 then in the...

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  17. Number of solution of the equation 4sin^(2)x+tan^(2)x+cot^(2)x+cosec^(...

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  18. The number of solutions of the equation 16(sin^(5)x +cos^(5)x)=11(sin ...

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  19. The number of values of x in the interval [0,5pi] satisfying the equat...

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  20. The set of values of x for which sinx cos^(3)x gt cos x sin^(3)x,0le x...

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