Page 123 - Math SL HB Sem 1
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CIRCULAIT FUNCTIONS ANI) TRIGONOMETRY
Example 4: A ship leaves port and travels 65 nautical miles on a bearing of N36"E. It
then changes course and sails I l2 nautical miles on a bearing ofSl5"E.
How far is it from port at this point?
The area of a triangle
Area of a triangle - lUcsina= labsinC: f
acsinB
Example l: Calculate the area of triangle ABC if a: 5 cm, b = 6 cm and
c:7cm
4-48
