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Length of the arc of circle with radius ...

Length of the arc of circle with radius 5 cm and angle at centre is `15^@` ...........cm.

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The correct Answer is:
`(5pi)/12` cm
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KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Trigonometric Functions (Fill in the blanks)
  1. Arc of length 15pi subtends an angle (3pi)/4 at centre then radius r =...

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  2. Measure of an angle of the regular polygon having ten sides is ..........

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  3. Length of the arc of circle with radius 5 cm and angle at centre is 15...

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  4. Find the angle in radian through which a pendulum swings if its lengt...

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  5. Graph of sin(x) function repeats its value in ......... Interval lengt...

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  6. 2sin^(2)((pi),(4))+2cos^2((pi),(4))+sec^2((pi),(3)) has value ...........

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  7. cos(pi/3)cos(pi/4) + sin(pi/3) sin(pi/4) .................

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  8. cos((65pi)/4)=.........

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  9. If cot x = - sqrt(5) and x in second quadrant then sin x = ..........

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  10. 2sin((5pi)/12) sin(pi/12)=.........

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  11. The value of (1-tan^(2)(15^(@)))/(1+tan^(2)(15^(@))) is ………..

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  12. If A +B + C = pi then secA (cos B cos C - sin B sin C) = .........

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  13. 3sin(pi/9) - 4sin^(3)(pi/9) = .......

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  14. One root of the equation 6x - 8x^3=sqrt3 is .........

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  15. (sin(3alpha))/(1+2cos(2alpha))= ..........

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  16. cos(47^@) cos (13^@) - sin (47^@) sin(13^@)= .........

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  17. sin((7pi)/(12))cos(pi/4)-cos((7pi)/(12))sin(pi/4)=...........

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  18. Sum of the measure of an angle of cyclic quadrilateral ABCD is ..........

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  19. Solution set of the equation 3 tan^(2) theta + 4 tan theta + 2 =0 is ....

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  20. For DeltaABC , sinA + sinB + sinC

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