Maths key equations

What is sin2A?

What is cos2A?

What is the trig identity which combines both sec and tan?

What is the trig idenitity which combines both cosec and cot?

When working in radians, how do you calculate area of a sector and arc length?

Which functions can have inverse functions?

What is a periodic sequence and what does the order tell you?

When does a geometric series diverge?

When does a geometric series converge?

When solving modulus equations, what should you do?

Always draw the graph

When carrying out a binomial expansion to a power that is either not an integer and/or negative, which values will the binomial expansion be valid for?

How can you find maximum and minimum points on a graph?

When is a function concave and when is a function convex?

How do you prove x1 is an inflection point?

How do you find points on graph if there are vertical tangents?