trigonometry

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Reference Triangles (30-60 and 45-45 Trigonometry)

August 29, 2023

Learn the two reference triangles: 30-60 and 45-45 special triangles and their trig ratios. It important to memorize the relationships...

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Introduction to Trigonometric Ratios

August 29, 2023

The first in a series of videos, learn the six trig ratios sine, cosine, tangent as well as the reciprocal...

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Trig Ratios Explained (Trigonometry: sine, cosine, tangent)

January 25, 2023

A thorough introduction to what a basic trig ratio is and how it will be useful in later sections and...