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Find the radius of the circle in which a...

Find the radius of the circle in which a central angle of `60^(@)` intercepts an arc of length 37.4 cm (use `pi=22/7`)

A

`37.5 cm`

B

` 32.8cm`

C

`35.7cm`

D

`34.5`cm`

Text Solution

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The correct Answer is:
C
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DISHA PUBLICATION-TRIGONOMETRIC FUNCTIONS -EXERCISE-1
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  2. If sin q + cosecq =2, then the vlaue of sin ^(6) q + cosec ^(6) q is e...

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  3. Find the radius of the circle in which a central angle of 60^(@) inter...

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  4. If cos theta = - 3/5 and pi lt theta lt 3pi/2, find the value of (sec ...

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  5. The range of f(x) = cos x - sin x is

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  6. If sin x + cos x = 1/5, then tan 2x is

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  7. The least values of ( sin ^(2) theta+ cosec ^(2) theta) is

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  8. The maximum value of [sin (x+(pi)/(6))+cos (x+(pi)/(6))] in the interv...

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  9. The expression (cos 6x+6cos 4x+15 cos 2x+10)/(cos 5x+5 cos 3x+10 co...

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  10. Which of the following functions has period 2pi ?

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  11. The value of cot 5^(@).cot 10^(@).cot 15^(@)……cot 85^(@) is

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  12. Write the value of tan((19pi)/(3))

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  13. (1+ sin A- cos A)/( 1+ sin A + cos A)=

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  14. Prove that: t a nA+tan(60^0+A)-t a n(60^0-A)=3t a n3A

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  15. If (sin (x+y))/( sin(x-y))=(a+b)/(a-b) , then (tan x)/( tan y) is equa...

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  16. If tan A=1/2 and tan B=1/3, then: A+B=

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  17. Find the value of sin((31pi)/(3)).

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  18. 1/4[sqrt(3)cos2 3^(@)-sin2 3^(@)]=

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  19. If tan ^2 theta =1-e ^(2), then sec theta + tan ^(3) theta cosec thet...

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  20. The value of sin 765^(@) is (1)/(sqrtn). Value of n is

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