Difference between revisions of User:Divenal/sandbox
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#* so for fixed angle, 'a' is proportional to 'b' | #* so for fixed angle, 'a' is proportional to 'b' | ||
# for very small angles (expressed in radians), <math>tan(A) \approx A</math> | # for very small angles (expressed in radians), <math>tan(A) \approx A</math> | ||
#* so at small angles, ' | #* so at small angles, 'a' is proportional to 'A' | ||
# 1 radian = <math>\frac{180}{\pi}</math> degrees = <math>\frac{60 \times 180}{\pi}</math> arc-minutes | # 1 radian = <math>\frac{180}{\pi}</math> degrees = <math>\frac{60 \times 180}{\pi}</math> arc-minutes | ||