Inverse trig functions are used to find missing angles rather than missing sides. This video explains how to use inverse trig to find a missing angle. From Ramanujan to calculus cocreator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).
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How To: Solve problems involving functions in algebra

How To: Remember "greater than" & "less than" symbols

How To: Find a slope of a straight line with: Ax + By + C = 0

How To: Solve a linear equation set with a graphing calculator

How To: Do long division without a calculator

How To: Find the perimeter & area of a complex figure

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