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Find the number of solution of the equat...

Find the number of solution of the equation `2x=3pi (1-cos x)`.

Text Solution

Verified by Experts

The correct Answer is:
Five solutions
We have `2x=3pi (1- cos x)`
or `cos x=1 -(2x)/(3pi)`
Draw the graphs of `y= cos x` and `y=1 -(2x)/(3 pi)`

From the above figure number of solution `=5`
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