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The number of points of intersection of ...

The number of points of intersection of the curves `2y =1 " and " y = "sin" x, -2 pi le x le 2 pi`, is

A

2

B

3

C

4

D

1

Text Solution

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The correct Answer is:
C
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DISHA PUBLICATION-TRIGONOMETRIC FUNCTIONS -EXERCISE-1
  1. The number of points of intersection of the two curves y=2 sin x and...

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  2. If sqrt3tan2theta+sqrt(3)tan3theta+tan2thetatan3theta=1 then the gener...

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  3. If sin(pi cos theta) = cos(pi sin theta), then of the value cos(th...

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  4. The number of solutions of the equation sin((pix)/(2sqrt3))=x^2-2sqrt3...

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  5. If : sin 5x + sin 3x + sin x = 0, where 0 lt x le (pi)/2, then : x =

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  6. the general solution of sin^2thetasectheta+sqrt3 tantheta=0 is

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  7. The solution set of the system of equations x+y=(2pi)/3,cosx+cosy=3/2,...

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  8. The number of points of intersection of the curves 2y =1 " and " y = "...

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  9. If pn = cos^n theta + sin^n theta then pn - p(n-2) = k p(n-4) where k

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  10. In the interval [-pi/2,pi/2] the equation log(sin theta)(cos 2 theta)=...

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  11. In a triangle tan A+ tan B + tan C=6 and tan A tan B= 2, then the valu...

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  12. In triangle ABC, /C=90^@ then (a^2-b^2)/(a^2+b^2)=

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  13. In a triangle ABC, let 2a^2+4b^2+ c^2= 2a(2b + c) , then which of the ...

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  14. The value of 1/(r(1)^(2))+1/(r(2)^(2))+1/(r(2)^(3))+1/(r^(2)), is

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  15. In two triangle ABC and DEF, AB= DE ,BC=DF and AC =Ef then

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  16. An observer in a boat finds that the angle of elevation of a tower sta...

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  17. The angular elevation of a tower OP at a point A due south of it is 60...

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  18. An aeroplane flying horizontally , 1km above the ground , is observed...

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  19. A man whose eye leave is 1.5 meters above the ground observes the angl...

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  20. A and B are two points in the horizontal plane through O, the foot of ...

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