express in radian measure 22 degree 30 minutes by using 1 degree=0.017453
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Step-by-step explanation:
520
=520×
180
π
=
9
26π
ii) -310
=−310×
180
π
=
18
−31π
iii)630
=630×
180
π
=
2
7π
iv) -22 30'
=−(20+30)
=−(20+
60
30
)
=−
2
45
=−
2
45
180
π
=−
8
π
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