A function f(theta)is defined as f(theta)=1-theta+theta^2/2!-theta^3/2!+....
Why is it necessary for theta to be a dimensionless quantity?
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reason is that the angle is measured as the ratio of arc length to radius which cancels out any units .
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Answer:
Explanation:you are subtracting 1 and terms of theta on the.since 1 is a dimensionless quantity ,you can only subtract dimensionless quantities from 1.Hence theta is dimensionless
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