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The equation sqrt3sinx+cosx=4 has...

The equation `sqrt3sinx+cosx=4` has

A

only one solution

B

two solutions

C

infinitely many solutions

D

no solution

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2009-MULTIPLE CHOICE QUESTIONS
  1. If x is a positive real number different from 1 such that log(a)^(x),l...

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  2. A line through the point A (2,0) which makes an angle of 30^(@) with t...

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  3. The equation sqrt3sinx+cosx=4 has

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  4. The slope at any point of a curve y=f(x) is given by (dy)/(dx)=3x^(2) ...

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  5. The modulus of (1-i)/(3+i)+(4i)/(5) is

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  6. The equation of the tangent to the conic x^(2)-y^(2)-8x+2y+11=0 at (2,...

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  7. A and B are two independent events such that P(AuuB')=0.8, and P(A)=0....

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  8. The total number of tangents through the point (3,5) that can be drawn...

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  9. The value of lim(ntooo)[(n)/(n^(2)+1^(2))+(n)/(n^(2)+2^(2))+.............

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  10. A particle is moving in a straight line. At time, the distance between...

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  11. convert into A+iB form, (1-i)/(3+i)+(4i)/(5)

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  12. The co-ordinates of the foot of the perpendicular from (0, 0) upon the...

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  13. If A is a square matrix then,

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  14. Center of the circle x^(2) + y^(2) - 6x + 4y - 12 = 0 is -

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  15. If A^(2)-A+I=0 then the inverse of the matrix A is

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  16. If C is the reflection of A (2, 4) in x-axis and B is the reflection o...

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  17. The value of cos15^(@)cos7(1^(@))/(2)sin7(1^(@))/(2) is

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  18. The value of integral int(-1)^(1)(|x+2|)/(x+2)dx is

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  19. The line y=2t^(2) intersects the ellipse (x^(2))/(9)+(y^(2))/(4)=1 in ...

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  20. General solutio of sin x+cos x=min(a in R) {1,a^(2)-4a+6} is

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