Trigonometric: secant θ, cosecant θ, and cotangent θ
In this section we’re going to be looking at the functions secant θ, cosecant θ, cosecant θ. These functions are commonly written as; sec θ, cosec θ or cot θ respectively. Below are the...
Tagged: Alevel Core 3
Addition formulae
This section explores using the addition formulae. You need to be able to use the addition formulae. Addition formulae explores trigonometric functions of sums of angles α ± β in terms of functions of...
Numerical methods
This chapter explores numerical methods. It covers using graphical methods to find the number of roots of the equation f(x)=0, proving whether a root lies within a given interval, using iteration within a given...
Tangent graphs
This chapter explores graphs. It covers sketching the tangent graph and solving simple equations such as tan x = 0.2. Before attempting this chapter you must have prior knowledge of basic trigonometry and sine...
Integration By Parts
This chapter explores integration by parts. You must have prior knowledge of integrating trigonometric functions, ex and lnx and the product rule. Integration by parts helps us to integrate more complicated products such as;
Growth and Decay
Growth We can model the growth of natural phenomena such as the human population or bacteria growth around an exponential growth formula. The general formula for growth is; …where A and k are constants...