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Proof of Addition Formulae

Proof of Addition Formulae

Subject: Mathematics

Age range: 16+

Resource type: Worksheet/Activity

Last updated

23 March 2017

docx, 56.72 KB
docx, 56.72 KB
Hopefully this is an accessible geometric proof of the sin(A+B) and cos(A+B) formulae
Creative Commons "Sharealike"

Reviews

4.7

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Uakbayev_nurbol

6 years ago
5

wilwen29

7 years ago
5

Thanks! This is really helpful.

JillyTurner

8 years ago
5

Thank you

ksullivan6

11 years ago
5

Great proof. Makes it v easy. Thank you.

mrsmorgan1

11 years ago
5

I used this with my Further Maths class - great activity. Thank you.

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4.706 reviews

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