Tagged: Alevel Core 2

Exponential and log functions 0

Exponential and log functions

Exponential and log functions This chapter explores exponential and log functions. It covers sketching simple transformations of the graph of y=ex, sketching simple transformations of the graph y=lnx, solving equations involving ex and lnx,...

Sum to infinity geometric series 0

Sum to infinity geometric series

This is continuation from the geometric series chapter. This section explores geometric series. To explain sum to infinity consider the following series; For the series above no matter how many terms of the series...

Geometric Sequence and Series 0

Geometric Sequence and Series

This article explores geometric sequences and series. It covers how to recognise a geometric sequence and series, finding common ratio, calculating the nth term of a geometric sequence, finding the sum of a geometric...

Integration: Negative areas 0

Integration: Negative areas

This chapter explores negative areas. It covers understanding that areas below the x axis are negative, calculating areas under a curve, some or all of which may be under the x axis. Before attempting...

Sine and Cosine Graphs 0

Sine and Cosine Graphs

This chapter explores sine and cosine graphs. It covers sketching sine and cosine graphs, finding angles which have same sine or cosine values, and solving simple equations such as sin x = 0.6 You...

Trigonometric Equations 2 0

Trigonometric Equations 2

This chapter explores trigonometric equations. It covers solving harder trigonometric equations using identities. Before attempting this chapter you must have prior knowledge of solving trigonometric equations and must go through trigonometric equations 1 Solving...

Trigonometric Equations 1 0

Trigonometric Equations 1

This chapter explores trigonometric equations. This is the first part of this part. The chapter covers solving harder trigonometric equations of the type for example 2x = 0.4 or cos (x – π/3) =...

Solving equations using logs 0

Solving equations using logs

This section explores solving equations using logs. The section covers solving equations and inequalities usig logs, fiding intersection s of exponential graphs uing logs. Before atempting this chapter you must have prior knowledge of...

R-Alpha Method 0

R-Alpha Method

In this article we shall be exploring the R-alpha method. We shall explore how to use expressions such as Rcos(x+α) and Rsin(x-α) in connection with acosx ± bsinx. Furthermore we shall explore how to...

Cosine Rule 0

Cosine Rule

In this chapter we shall be exploring the cosine rule. In trigonometry we can use the cosine rule to find the missing sides and angles in a triangle. You must have some basic knowledge...