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sine and cosine rule
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safaa.patel
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Kevin De Bruyne
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(Original post by safaa.patel)
how do you know when to use the sine or cosine rule
how do you know when to use the sine or cosine rule
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fatima1998
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(Original post by safaa.patel)
how do you know when to use the sine or cosine rule
how do you know when to use the sine or cosine rule
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the bear
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tbh you can always start out with the Sine Rule... if it doesn't work switch to the Cosine Rule.
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safaa.patel
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fatima1998
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(Original post by the bear)
tbh you can always start out with the Sine Rule... if it doesn't work switch to the Cosine Rule.
tbh you can always start out with the Sine Rule... if it doesn't work switch to the Cosine Rule.
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the bear
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__Adam__
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The cosine rule is if you have 2 sides and the angle between them, and you're looking for the opposite side (or some rearranged version of that formula).
The sine rule is when you're looking at 2 or 3 sides and the angles opposite them. If more than one angle is known, I'd probably think of the sine rule first, it depends on what you already know.
The sine rule is when you're looking at 2 or 3 sides and the angles opposite them. If more than one angle is known, I'd probably think of the sine rule first, it depends on what you already know.
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fatima1998
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