Introduction to Angles

This trigonometry video tutorial provides a basic introduction into angle measure. It explains the process of drawing angles in standard position in degrees. It discusses the difference between the initial side of an angle and its terminal side. In addition, it mentions the difference between an acute angle, right angle, obtuse angle, and a straight angle. This video contains plenty of examples and practice problems including drawing positive and negative angles in standard position.

Trigonometry - Basic Introduction:

Introduction to Angles:

Radians and Degrees:

What Exactly Is a Radian?

Coterminal Angles:

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Decimal Degrees to DMS:

Arc Length of a Circle and Sector Area:

Linear Speed and Angular Velocity:

Clock to Angle Problems:

The Unit Circle:

How To Remember The Unit Circle Fast:

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The way you explained how to draw an angle in standard position measured in degrees makes total sense to me but my professor explains it by making us place the given angle over 360 degrees as a fraction, for example -150/360, then we get -5/12 but then it's broken down to (-5/3)(1/4), then to [(-1)+(2/3)] * (1/4). What the hell did my prof. do here with all those fractions?

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Why angle is measured in anti clockwise direction?

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