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The vertical angle of an isosceles trian...

The vertical angle of an isosceles triangle is `2/3` rd of each of its base angles. Find it in radians.

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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
  1. The sum of two angles is 80 grades and their difference is 18^@. Find ...

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  2. The angles of a triangle are in the ratio 1 : 2: 3. Find the angles in...

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  3. The vertical angle of an isosceles triangle is 2/3 rd of each of its b...

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  4. In a right-angled triangle, the difference between two acute angles is...

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  5. The wheel of a carriage is 91 cm in diameter and makes 5 revolutions p...

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  6. A wheel makes 360 revolutions in one minute. Through how many radians ...

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  7. Find the length of the arc of a circle of radius 5 cm subtending an an...

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  8. Find the length of an arc of circle of radius 6cm subtending an angle ...

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  9. Find the radius of a circle in which a central angle of 60^@ intercept...

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

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

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

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

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

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  15. Show that the minute hand of a watch gains 5^@ 30' on the hour hand in...

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  16. Find the angle between the hour-hand and the minute hand of a clock at...

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  17. If G, D and theta be the number of grades, degrees and radians in any ...

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  18. If G, D and theta be the number of grades, degrees and radians in any ...

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  19. Find the circular measure of an internal angle of a regular : pentagon...

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  20. Find the circular measure of an internal angle of a regular : hexagon ...

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