60º
Area of a Triangle A B 12cm C 10cm Example 1 : Find the area of the triangle ABC. 50 o (i)Draw in a line from B to AC (ii)Calculate height BD D (iii)Area.
222 60º 60º 60º 1 60º 2 30º 3333 This triangle will provide exact values for sin, cos and tan 30º and 60º Exact Values Some special values of Sin,
Trigonometry Cosine Rule Finding a Length Sine Rule Finding a length Mixed Problems Sine Rule Finding an Angle Cosine Rule Finding an Angle Area of ANY.
