RT Book, Section
A1 Hall, Susan J.
SR Print(0)
ID 1117598686
T1 Trigonometric Functions
T2 Basic Biomechanics, 7e
YR 2015
FD 2015
PB McGraw-Hill Education
PP New York, NY
SN 9780073522760
LK accessphysiotherapy.mhmedical.com/content.aspx?aid=1117598686
RD 2021/03/05
AB Trigonometric functions are based on relationships present between the sides and angles of triangles. Many functions are derived from a right triangle—a triangle containing a right (90°) angle. Consider the following right triangle with sides A, B, and C, and angles α, β, and γ.