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Vectors |
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The sine of an angle is the name of the ratio of the length of the opposite side to the length of the hypotenuse. This is a number between -1 and +1. That's all! |
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Why Vectors? | ![]() Go ahead click and play! |
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Vectors have length and are directional. They are arrows. Many problems in physics will utilize these arrows. We will use trig to add and subtract these arrows. ![]() |
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![]() What are unit vectors? |
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You
can add as many vectors together as you wish. All you have to do is put
them together in any fashion 'head-to-tail' |
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When
you want to subtract two vectors simply reverse the vector to be subtracted
then add them 'head-to-tail. |
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Everthing
you wanted to know about Trigonometry and Vector Analysis |
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FreeFall |
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