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MYP Mathematics Pre-diploma – Trigonometry, Cosine Rule

How can we find the side of a triangle ABC given that ?

Thanks!

How can we find the side of a triangle ABC given that ?

Thanks!

- Nyla
**Posts:**0**Joined:**Mon Jan 28, 2013 8:11 pm

MYP Mathematics Pre-diploma – Trigonometry, Cosine Rule

The Cosine rule states

So in your case the side can be calculated as follows:

Hope these help!!

The Cosine rule states

So in your case the side can be calculated as follows:

Hope these help!!

- Jack
**Posts:**0**Joined:**Mon Jan 28, 2013 8:08 pm

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