If D and C represent the number of degree and the number of radian of any angke prove that D÷90 =2C÷PIE
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a person is running along a circular track of area 64piem²
If he is in uniform circular motion,then the average speed of the person in 4 s of time interval will be_
If he is in uniform circular motion,then the average speed of the person in 4 s of time interval will be_
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