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The sum o9f two angles is 80^@ and their...

The sum o9f two angles is `80^@` and their difference is `((pi)/(10))^c` find the angle in circular measure.

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The correct Answer is:
`((49pi)/(180))^c, ((31pi)/(180))^c`
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CHHAYA PUBLICATION-MEASURMENT OF TRIGONOMETRICAL ANGLES-EXERCISE 1
  1. Reduce the following angles to circular measure: 46^@25'36"

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  2. The circular measure of an angle is 1.5 , express it in terms of degr...

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  3. The sum o9f two angles is 80^@ and their difference is ((pi)/(10))^c ...

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  4. The sum of the number of degrees and number of grades of a given angle...

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  5. The angles of a triangle are in the ratio5:4:3 . Find the circular mea...

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  6. Find in degree and radian each angle of a regular decagon.

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  7. If the difference of two acute angles of a right angled triangle of a ...

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  8. The angles of a triangle are (pix)/(200) radian ,3x^@ and (pix)/(300) ...

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  9. The circular measures of two of the angles of a triangle are 1/2 and...

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  10. If the measurements of an angle in degree minutes and seconds be D ,M...

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  11. The circular measure of an internal angle of a regular polygon is (3pi...

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  12. Express in circular measure an angle of a regular hexagon .

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  13. Find in radian an angle of a regular polygon of n sides .

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  14. The sum of two angles is 152^@ . If difference of these two angles is ...

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  15. The angles of a triangle are in A.P . And the number of degrees in the...

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  16. The sum of three angles in G.P is 126^@ , the number of degrees in the...

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  17. The four angles of a quadrilateral are in A.P , the greatest angles in...

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  18. The five angles of a pentagon are in A.P and the greatest angle is thr...

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  19. The greatest angle of a cyclic quadrilateral is three times the least ...

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  20. If the circumference of a circle be divided into five parts which are ...

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