The trigonometric ratios sine, cosine and tangent are used to calculate angles and sides in right angled triangles. We are now going to extend trigonometry beyond right angled triangles and use it ...

The cosine rule can find a side from 2 sides and the included angle, or an angle from 3 sides. Using bearings in trigonometry Bearings are angles used in navigation. They are based on moving ...

Inverse trig functions and their derivative, logarithmic functions and their derivative, related rates, L'Hospital's Rule, optimization problems, curve sketching, linearization, Newton's Method, ...