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Find the length of arc of a circle of ra...

Find the length of arc of a circle of radius 5 cm subtending a central angle measuring `15^(@)`.

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The correct Answer is:
`1.30cm`
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KUMAR PRAKASHAN-TRIGONOMETRIC FUNCTIONS -PRACTICE WORK
  1. The minute hand of a watch is 1.5cm long. How far does it tip move in ...

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  2. Find the degree of radian, the angle between the hour hand and the min...

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  3. Find the length of arc of a circle of radius 5 cm subtending a central...

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  4. A horse is tied to a post by a rope. If the horse moves along a circul...

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  5. The difference between the two acute angleof a right angled triangle i...

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  6. Find the value of other five trigonometric function. cot theta=(12)/...

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  7. Find the value of other five trigonometric function. tantheta=(3)/(4...

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  8. Find the value of other five trigonometric function. sin theta=-(2sq...

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  9. Find the value of other five trigonometric function. cotx=-(5)/(12),...

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  10. Prove that, cos510^(@)cos330^(@)+sin390^(@)cos120^(@)=-1.

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  11. Prove that, sin((8pi)/(3))cos((23pi)/(6))+cos((13pi)/(3))sin((35pi)/...

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  12. Prove that, sin^(2)((pi)/(18))+sin^(2)((pi)/(9))+sin^(2)((7pi)/(18))...

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  13. Find the value of x. cosec(90^(@)+theta)+xcosthetacot(90^(@)+theta)=...

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  14. Find the value of x. xcot(90^(@)+theta)+tan(90^(@)+theta)sintheta+co...

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  15. Find the value of following trigonometric function. tan(-585^(@))

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  16. Find the value of following trigonometric function. sin(4530^(@))

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  17. Find the value of following trigonometric function. tan((11pi)/(6))

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  18. Find the value of following trigonometric function. cos(1755^(@))

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  19. Find the value of following trigonometric function. sin(-330^(@))

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  20. Prove that cos((3pi)/(2)+x)cos(2pi+x).{cot((3pi)/(2)-x)+cot(2pi+x)}=1

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