Need help figuring out how to unpack and solve word problems in trig? Learn how with this free video trigonometry lesson. 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). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to work with and find solutions for trigonometric word problems.
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How To: Find the Slope Given 2 Ordered Pairs

How To: Solve a line integral over a closed path

How To: Find a missing side of a triangle, similar to another

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How To: Find the area & perimeter of triangles & squares

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How To: Use a TI89 to calculate nCr

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How To: Divide decimals

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