Using Double Angle Identities to Solve Equations, Example 1

Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! 🙂 https://www.patreon.com/patrickjmt !! Using Double Angle Identities to Solve Equations, Example 1.
In this video, I use some double angle identities for sine and/or cosine to solve some equations. Great fun!! For more free math videos, visit http://PatrickJMT.com

Questions?

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