Page 117 - Math SL HB Sem 1
P. 117
CIRCULAR FUNCTIONS
AND TRI GONOMETRY
,
SOLUTION OF TRIANGLES
The sine rule
For any triangle ABC,
obc
sin I sinB sinC
The sine rule is used to find the remaining sides and angles ol.a (non-right-angled)
triangle if we are given
. two angles and one side
o two sides and a non-included angle (* ambiguous case)
Example I: In triangle ABC, A:35., B = 50.and a: I7 cm. Find b
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