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Using Sum & Difference Formulas

Precalc Problems Explained by Chris Thiel

Oct 30, 2010Education

Here we find the trig functions of other angles based on the sum and difference of two angles, the double or half angle. We will prove these formulas in a different video

About This Episode

Using Sum & Difference Formulas is an episode from Precalc Problems Explained by Chris Thiel. Here we find the trig functions of other angles based on the sum and difference of two angles, the double or half angle. We will prove these formu...

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This episode belongs to Precalc Problems Explained.

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Published Oct 30, 2010, audio available.

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