Trigonometry Rcos(x+a) and Rsin(x+a) - How to express in these alternate forms; how to find R and a
42:56
Trigonometry - solving trigonometric equations: covering the basics, with examples using identities
16:02
Trigonometry Exam question: modelling the Height of Sea Water with Rsin(x+a)
13:01
Trigonometric Equations: the basics of how to find multiple solutions over a given interval
13:45
Trigonometric Equations - solving equations involving sin2x, cos3x etc. that generate many solutions
7:47
Alg 2 Topic 5-1 Basics of Radical Functions
15:38
Trigonometric Equations - how to solve quadratic equations in terms of sin or cos
16:31
Trigonometry - proving the cos3A identity
15:26