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February 27, 2015

February 27, 2015

Posted by **Catherine** on Monday, August 19, 2013 at 10:48pm.

a) -100 degrees.

I really do not understand how to work this problem and I need help.

- Math -
**Steve**, Tuesday, August 20, 2013 at 12:14amGenerally angles are expressed as values between 0 and 360 degrees.

Since there are 360 degrees in a circle, adding or subtracting 360 from the value will not change the terminal point of the angle. It just means you have done an extra clockwise or counter-clockwise rotation about the origin.

So, -100° represents the same angle as all of the following:

... -820° -460° -100° 260° 620° ...

so, which of those values is between 0° and 360°?

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