Ok, so for an educational instructional poster I am going to do some basic trigonometry. The poster will have 3 sections.
The top (and smallest) will just be Pythagoras for year 9's: a[2] + b[2] = c[2]
*a[2] means "a squared"
The middle, GCSE standard, will show and demonstrate Tangent, Sine and Cosine in use with right angled triangles. This will also inlude their respective graphs to demonstrate what is going on.
There will be the line "two old angels sitting on high chatting about heaven." This will inform the aesthetic of the poster.
The bottom section for more advanced GCSE students will include reminders for the Sine rule and the Cosine rule.
Sine rule is: A/sinA = B/sinB =C/sinC
the Cosine rule is: a[2] = b[2] + c[2] - 2bcCosA
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