Other Resources

For those bits of maths know-how which can either
help you along or are just plain interesting!

Useful triangles for trig

Two triangles to help with trigonometry.

Parts of a circle geometry

Revise names for different parts of a circle.

Radians and degrees

Defining radians and convert to/from degrees.

integrate sin^2x or cos^2x easily trick

Quick trick for integrating sin²x and cos²x.

Drawing 3D axes remembering

Remember how to draw conventional 3D axes.