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Trigonometric functions

Unit circle introduction

Radians

The Pythagorean identity

Special trigonometric values in the first quadrant

Trigonometric values on the unit circle

Graphs of sin(x), cos(x), and tan(x)

Amplitude, midline, and period

Transforming sinusoidal graphs

Graphing sinusoidal functions

Sinusoidal models

Long live Tau

Special trigonometric values in the first quadrant

Explore special trigonometric values in the first quadrant, mastering key angles and calculating their sine, cosine, and tangent to boost problem-solving skills in math.

200+ videos and assessments

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VIDEOS

Trig values of π/4

Khan Academy

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9th - 12th Grade

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10 Qs

Cosine, sine and tangent of π/6 and π/3

Khan Academy

•

8th - 12th Grade

•

10 Qs

Special trigonometric values in the first quadrant

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