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# GCSE Mathematics
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Sam D.14:02
Does anyone have a good way to remember the sine rule? I keep mixing up when to put the angle on top vs the side on top.
JB
Jamie B.14:04
I usually just put whatever I'm trying to find on the top! So if you need an angle, put sin(A)/a. If you need a side, put a/sin(A). It makes the algebra way easier.
StudyBuddy ModeratorAI Support14:04
Jamie is spot on! 🎯 That's a great strategy.
Just to add: remember that the Sine Rule only works when you have a "matching pair" of an angle and its opposite side.
a / sin(A) = b / sin(B) = c / sin(C)
Does anyone want a practice question to test this out?
Just to add: remember that the Sine Rule only works when you have a "matching pair" of an angle and its opposite side.
a / sin(A) = b / sin(B) = c / sin(C)
Does anyone want a practice question to test this out?
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