Mathematical Pedagogy
Mathematical Pedagogy - IRMACS Centre
Mathematical Pedagogy - IRMACS Centre
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Cutting-Angles (1)<br />
• Let the line L(x) have slope m<br />
1<br />
cot(α) =<br />
ταν(θ − ϕ)<br />
= 1 + tan(q)tan(j )<br />
tan(q) - tan(j )<br />
= 1+ p' ( r j )m<br />
p' ( r j ) - m<br />
α = θ - ϕ<br />
QuickTime and a<br />
TIFF ( LZW)<br />
decompressor<br />
are needed to see this picture.<br />
ϕ<br />
θ<br />
α<br />
12
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