Works cited

[1] - File:Compass Card B+W.svg – Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Compass_Card_B%2BW.svg)

[2] - 8.png (438×315) (opencurriculum.org) (http://media.opencurriculum.org/articles_manual/michael_corral_trigonometry/trigonometric-functions-of-any-angle/8.png)

[3] - Trigonometric Functions of Any Angle – OpenCurriculum (2.png) (https://opencurriculum.org/5484/trigonometric-functions-of-any-angle/)

[4] - File:Positive, negative angle.svg – Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Positive,_negative_angle.svg)

[5] - File:30 degree rotations expressed in radian measure.svg – Wikimedia Commons (https://commons.wikimedia.org/wiki/File:30_degree_rotations_expressed_in_radian_measure.svg)

[6] - File:TrigonometryTriangle.svg – Wikimedia Commons (https://commons.wikimedia.org/wiki/File:TrigonometryTriangle.svg)

[7] - Trigonometric Functions of Any Angle – OpenCurriculum (9.png...