Using trig in triangles that are not right-angled
lesson notes:06 sine rule
Using trig in triangles that are not right-angled
lesson notes:06 sine rule
Solving trig equations where the answer could be of any magnitude
lesson notes:05 trigonometric equations
Simplifying trig expressions using the identities
lesson notes:04 pythagorean trig identities
How do the trig functions behave when the angles are not acute?
lessons:03 angles of any magnitude
Solving three dimensional problems involves breaking the problem down into one, or more, two dimensional problems.
lesson notes:02 3D trigonometry