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Question

Find the radian measures corresponding to the following degree measures:
  1. 25o
  2. 47o30
  3. 240o
  4. 520o

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Solution

1)25o

Radianmeasure=Π180givenvalue

=Π18025o

=Π2536

=5Π36

2)47o30

=(47o+30)

=(47o+30o60)

=(47o+1o2)

=(94+1o2)

=(95o2)

Radianmeasure=Π180givenvalue

=Π180(95o2)



=Π(1972)



=(19Π72)radians

3)240o

Radianmeasure=Π180givenvalue



=Π180240o

=Π43

=43Πradians

4)520o

Radianmeasure=Π180givenvalue



=Π180520o

=Π269

=269Πradians


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