There are some situations that the Sine Rule can’t handle, so now we create the Cosine Rule to cover those situations.
lesson notes:07 cosine rule
There are some situations that the Sine Rule can’t handle, so now we create the Cosine Rule to cover those situations.
lesson notes:07 cosine rule
Using the sine ratio to find sides and angles in non-right angled triangles, as well as their area
lesson notes:06 sine rule
Using the ideas from angles of any magnitude along with trig identities and relationships, in order to solve trigonometric equations.
lesson notes:05 trigonometric equations
Proving trig relationships using the trig identities
lesson notes:04 pythagorean trig identities
How do we handle angles outside the right-angled triangle?
lesson notes:03 angles of any magnitude