solving a trigonometric equation cos(2theta)=cos(theta), precalculus tutorial
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solving a trigonometric equation cos(2theta)=cos(theta), precalculus tutorial
Learn how to solve this trigonometric equation cos(2theta)=cos(theta) for your trig or precalculus class. We will use the double angle formula for cosine and turn this into a quadratic equation. ---------------------------------------- 🛍 Shop my math t-shirt & hoodies: amzn.to/3qBeuw6 💪 Get my math notes by becoming a patron: https://www ...
48.6K viewsAug 2, 2016
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