This trigonometry / precalculus video tutorial review explains the unit circle and the basics of how to memorize it. It provides the angles in radians and degrees ...

From The Organic Chemistry Tutor

Visit http://ilectureonline.com for more math and science lectures! In this video I will find A=?, P=?, phase angle=? and sketch y=3sin[(2x/3)-(pi/6)].

From Michel van Biezen

http://www.freemathvideos.com In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus.

From Brian McLogan

In this video you learn how to find the equation of a tangent line to a curve. The process involves using the function, finding and evaluating the derivative, and ...

From calculuscoaches

This video shows you how to find the exact value of sine, cos, tan, cot, secant, and csc at pi/6, pi/3, and pi/4 without relying too much on the unit circle. This video ...

From Math & Science 2024

sin(pi/12), using half-angle formula, sin(15 degrees), using half-angle identity, simplifying trig identities, trigonometric identities examples, Verify trigonometric ...

From blackpenredpen