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If the point (2costheta,2sintheta), for ...

If the point `(2costheta,2sintheta),` for `thetain(0,2pi)` lies in the region betweet the lines x+y=2 and x-y=2 containing the orgin, then `theta` lies in

A

`(0,(pi)/(2))uu((3pi)/(2),2pi)`

B

`[0,pi]`

C

`((pi)/(2),(2pi)/(2))`

D

`[(pi)/(4),(pi)/(2)]`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2015-MULTIPLE CHOICE QUESTIONS
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  2. The value of 2cot^(-1)""(1)/(2)-cot^(-1)""(4)/(3) is

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  3. If the point (2costheta,2sintheta), for thetain(0,2pi) lies in the reg...

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  4. Number of points having distance sqrt5 from the straight line x-2y+1=0...

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  5. Let a,b, c, d be any four real number. Then a^(n)+b^(n)=c^(n)+d^(n) ho...

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  6. If alpha,beta are the roots of x^(2)-px+1=0 and gamma is a root of x^...

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  7. Number of irrational terms in the binomial expansion of (3^(1//5)+7^(1...

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  8. The quadratic expression (2x+1)^(2)-px+qne0 for any real x is

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  9. Let f:RtoR be defined as f(x)=(x^(2)-x+4)/(x^(2)+x+4). Then the range ...

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  10. The least value of 2x^(2)+y^(2)+2xy+2x-3y+8 for real numbers x and y i...

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  11. Let f:[-2,2]toR be a continuous function such that f(x) assumes only i...

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  12. The minimum value of costheta+sintheta+(2)/(sin2theta) for thetain(0,p...

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  13. The value of ((1+sqrt3i)/(1-sqrt3i))^(64)+((1-sqrt3i)/(1+sqrt3i))^(64)...

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  14. Find the maximum value of |z| when |z-(3)/(z)|=2, z being a complex nu...

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  15. Given that x is a real number satisfying (5x^(2)-26x+5)/(3x^(2)-10x+3)...

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  16. Let x(n)=(1-(1)/(3))^(2)(1-(1)/(6))^(2)(1-(1)/(10))^(2).............(1...

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  17. The variance of first 20 nutural numbers is

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  18. A fair coin is tossed a fixed number of times. If the probability of g...

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  19. If the letters of the word PROBABILITY are written down at random in a...

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  20. The least value of t so that the lines x=t+alpha,y+16=0 and y=ax are c...

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