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by Nyla » Sun Aug 18, 2013 10:21 am
MYP Mathematics Pre-diploma – Trigonometry, Cosine RuleHow can we find the side

of a triangle ABC given that

?
Thanks!
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Nyla
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by Jack » Sun Aug 18, 2013 10:28 am
MYP Mathematics Pre-diploma – Trigonometry, Cosine RuleThe Cosine rule states
cosA)
So in your case the side

can be calculated as follows:
)cos60^{\circ})


Hope these help!!
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Jack
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by Nyla » Sun Aug 18, 2013 10:29 am
Thank you Jack!!
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Nyla
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