CK-12 Foundation, "CK-12 Trigonometry (2 Volumes)"
English | 2011 | eISBN: 1935983032, 9781935983033 | 700 pages | epub | 17,8 MB
CK-12 Foundation's Trigonometry, Volume 1 FlexBook covers the following three chapters: Trigonometry and Right Angles - introduction to the trigonometric functions. Circular Functions - introduction to radian measure, circular functions and periodic functions. Trigonometric Identities - confirm, verify and derive various trigonometric identities.