Express the angles in radian measure:`7^0 30\'`

Express the angles in radian measure: -47^0 30\'

Express the angles in radian measure: 4^0 20\'

Express the angles in radian measure: 25^0

Express the angles in radian measure: 105^0

Express the angles in radian measure: 240^0

Express the angles in radian measure: -56^0

Express the angles in radian measure: 520^0

Express the angles in radian measure: 42^0 57\' 16\'\'

In the inequality below, the value of the angle is expressed in radian measure. Which one of the inequalities below is true?

Express the following angles in radians (i) 1, (ii) 20^(@) (iii) 135^(@)