forked from eggy/eifueo
math: remove unnecessary parentheses
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@ -210,7 +210,7 @@ $$
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The length of resultant vector can then be found using the Pythagorean theorem.
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$$
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|\vec{c}|=\sqrt{(c_{x})^2 + (c_{y})^2}
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|\vec{c}|=\sqrt{c_{x}^2 + c_{y}^2}
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$$
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To find the resultant direction, use inverse tan to calculate the angle of the vector using the lengths of its components.
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