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Section 8.1

MAT 1251 Applied Calculus I, Sean Forman

Spring 2005

Fill in the missing side for the following right triangles.

List two other co-terminal angles that are equivalent to this angle. If in degrees give angles in degrees. If in radians give angles in radians.

1. $45^o$

2. $-45^o$

3. $175^o$

4. $390^o$

5. $\frac{\pi}{2}$ radians

6. $\frac{-\pi}{3}$ radians

7. $\frac{9\pi}{8}$ radians

8. $\frac{5\pi}{2}$ radians

9. $2$ radians

More on back

Convert the following degrees into radians.

1. $45^o$

2. $-60^o$

3. $175^o$

4. $390^o$

Convert the following radians into degrees.

1. $\frac{\pi}{2}$ radians

2. $\frac{-\pi}{3}$ radians

3. $\frac{5\pi}{12}$ radians

4. $\frac{8\pi}{3}$ radians

5. $2.5$ radians

If a 1,200ft building sways 0.003 radians in a 100mph wind, how far will it sway back-and-forth in that wind?