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Q. 2

Expert-verifiedFound in: Page 436

Book edition
6th

Author(s)
Sullivan

Pages
1200 pages

ISBN
9780321795465

In Problems $1-3$, convert each angle in degrees to radians. Express your answer as a multiple of $\mathrm{\pi}$.

$2.-400\xb0$

The angle in radian measure is $-\frac{20\mathrm{\pi}}{9}$.

Given angle measure in degree is $-400\xb0$.

To convert degree measure to radian, multiply degree measure to $\frac{\mathrm{\pi}}{180\xb0}$.

This gives

$-400\xb0\times \frac{\mathrm{\pi}}{180\xb0}=-\frac{20\mathrm{\pi}}{9}$.

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