# How to Calculate a Complementary Angle?

A complementary angle is an angle that adds up to 90 degrees with another angle. For example, if one angle measures 30 degrees, then its complementary angle is 60 degrees. A 90-degree angle is also...
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http://www.ehow.com/how_8372321_calculate-complementary-angle.html

## How to Calculate Complementary Colors?

Simply put, complementary colors are exact opposites of each other. When placed side by side, the colors contrast and both appear to be more vibrant. This effect is very appealing to the human eye ...
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http://www.ehow.com/how_6563992_calculate-complementary-colors.html

## How to Calculate a Euler Angle?

The Euler Angle of a xyz coordinate is the set of angles that point to the coordinate's location from the origin (0,0,0). This angle plus the magnitude of the vector (basically the line) from the o...
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http://www.ehow.com/how_7344501_calculate-euler-angle.html

## How to Calculate a Reflective Angle?

When you look in the mirror, you expect to see an image of yourself staring back at you. The confidence that fuels your expectation is well-founded, as it rests on a simple law: the Law of Reflecti...
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http://www.ehow.com/how_8123580_calculate-reflective-angle.html

## How to Calculate a Caster Angle?

The caster angle effects a vehicle's steering effort, stability at high speeds and cornering effectiveness. The caster angle is a line running through the car's steering system's upper and lower pi...
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http://www.ehow.com/how_7551573_calculate-caster-angle.html