It's 8:15 AM. Let's Do Some Math
Find the cosine of a half-angle knowing the tangent of the angle
This post is dedicated to Fazenda:
Evaluate the sine of -11π/12
Architecture Parabolas
green parabola
y = -4.6x
2
-12x - 4.5
orange parabola
y = -1.7x
2
+ 0.5
Shop Window Parabola
y = -3.5x
2
+ 0.5
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