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Does Cosine Work for Non Right Triangles?

Alexander Ross • • 5 min read
Does Cosine Work for Non Right Triangles?

The law of cosines can be used to find the measure of an angle or a side of a non-right triangle if we know: two sides and the angle between them or. three sides and no angles.

Does sin and cos only work for right triangles?

Key Point: Regardless of the size of the triangle, these trigonometric ratios will always hold true for right triangles. Remember the three basic ratios are called Sine, Cosine, and Tangent, and they represent the foundational Trigonometric Ratios, after the Greek word for triangle measurement.

Does SOH CAH TOA work for non-right triangles?

For right-angled triangles, we have Pythagoras' Theorem and SOHCAHTOA. However, these methods do not work for non-right angled triangles.

Alexander Ross
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Alexander Ross

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.