Trigonometric Equations - how to solve quadratic equations in terms of sin or cos
13:01
Trigonometric Equations: the basics of how to find multiple solutions over a given interval
16:31
Trigonometry - proving the cos3A identity
15:26
Trigonometry - Addition Formulae sin(A+B), cos(A+B) and tan(A+B) with worked examples
16:02
Trigonometry Exam question: modelling the Height of Sea Water with Rsin(x+a)
29:09
Calculus with Inverse Trig
13:45
Trigonometric Equations - solving equations involving sin2x, cos3x etc. that generate many solutions
11:09
Trigonometry - Pythagorean Identities: tan^2x + 1 = sec^2x and 1 + cot^2x = cosec^2x
15:49