Q. 3

Express each of the following angles in degrees.

(i)

(ii)

(iii)

(iv) -4

Answer :

(i) Formula : Angle in degrees =


Therefore, Angle in degrees =


(ii) Formula : Angle in degrees =


Therefore, Angle in degrees =


(iii) Formula : Angle in degrees =


The angle in minutes = Decimal of angle in radian x 60.’


The angle in seconds = Decimal of angle in minutes x 60.’’


Therefore, Angle in degrees =


Angle in minutes =


Angle in seconds =


Final angle =


( iv ) Formula : Angle in degrees =


The angle in minutes = Decimal of angle in radian x 60.’


The angle in seconds = Decimal of angle in minutes x 60.’’


Therefore, Angle in degrees =


Angle in minutes =


Angle in seconds =


Final angle =


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