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If in two circles, arcs of the same leng...

If in two circles, arcs of the same length subtend angles `60^@` and `75^@` at the centre, find the ratio of their radii.

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In a circle of a radius 7 cm, an arc subtends an angle of 60^(@) at the centre. Find : the length of the arc

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The radius of a circle whose arc of length 20pi subtends an angle of (2pi)/3 radians at the centre is:

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Fill in the Blanks: Equal arcs of a circle subtend_____ angles at the centre.

PSEB-TRIGONOMETRIC FUNCTIONS-EXERCISE
  1. Find the degree measure of the angle subtended at the centre of a circ...

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  2. In a circle of diameter 40 cm, the length of a chord is 20 cm. Find th...

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  3. If in two circles, arcs of the same length subtend angles 60^@ and 75^...

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

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  5. Find the angle in radian through which a pendulum swings if itslength ...

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  6. Find the angle in radian through which a pendulum swings if itslength ...

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  7. Find the values of the trigonometric function:- cos x = -1/2, x lies i...

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  8. Find the values of the trigonometric function:- sin x = 3/5, x lies in...

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  9. Find the values of the trigonometric function:- cot x = 3/4 ,x lies in...

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  10. Find the values of the trigonometric function:- sec x= 13/5, x lies in...

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  11. Find the values of the trigonometric function:- tan x= -5/12, x lies i...

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  12. Find the values of the trigonometric function:- sin 765^@

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  13. Find the values of the trigonometric function:- cosec (- 1410^@)

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  14. Find the values of the trigonometric function:- tan frac (19 pi) (3)

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  15. Find the values of the trigonometric function:- sin (-(11 pi)/3)

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  16. Find the values of the trigonometric function:- cot (-(15 pi)/4)

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  17. Prove that: sin^2frac (pi)(6)+cos^2frac (pi)(3)-tan^2frac (pi)(4)=-1/2

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  18. Prove that: 2sin^2frac (pi)(6)+cosec^2frac (7pi)(6)cos^2frac (pi)(3)=3...

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  19. Prove that: cot^2frac (pi)(6)+cosecfrac (5pi)(6)+3tan^2frac (pi)(6)=6

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  20. Prove that: 2sin^2frac (3pi)(4)+2cos^2frac(pi)(4)+2sec^2frac (pi)(3)=1...

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