IGCSE Maths Edexcel B 4MB1

9: Trigonometry

#9A

Use of sine, cosine and tangent of angles up to 180°

Angles will be measured in degrees and decimals of a degree

#9B

Solution of problems in two and three dimensions by calculation and by drawing

*Use of the sine and cosine rule

Area of a triangle =12absinC= \frac{1}{2}ab\sin{C}

Questions on latitude and longitude will not be set

Calculations of the angle between two planes, or of the angle between a straight line and a plane will not be set*

#9C

Angles of elevation and depression

*Angles will be given in degrees and decimals of a degree *

#9D

Bearings

The normal convention of bearings being measured clockwise will be adopted

8
Vectors and transformation geometry
10
Statistics and probability