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SOLVED PROBLEMS

1. Express in radian measure (i) 54^{0 } (ii) 135^{0 } (iii) 330^{0 } (iv) - 160^{0 } (v) 42^{0 } 24' 35"

Solution:

Since 1^{0 } = = 0.017543 rad

2. Express each angle in degree measure : (iv) 4/3 rad.

Solution

3. The sum of two angles is 100^{0 }and their difference is find the angles in radian.

Solution: Let the required angles be x rad. and y rad. respectively.

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Index

1.1 Angles (Radians & Degrees) 1.2 Arc Length & Area of the circle Supplementary Problems Chapter 2