The sine rule
Lesson 5 / 11
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Lesson outcome
I can derive and use the formula for the sine rule.
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The sides of a triangle are proportional to the sines of their opposite angles
A diagram can aid with understanding this
The sine rule is useful when you know an angle and side pair and wish to find another pair
In order to do this, you will need either a side length or an angle
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This content is by Cashar and published under an open licence.