Divine Proportions: Rational Trigonometry To Un... (AUTHENTIC)

In rational trigonometry, we do not use "distance" (which often involves square roots). Instead, we use ( ), which is the square of the distance. For two points

: The rational equivalent of the Cosine Law (using "cross" Divine Proportions: Rational Trigonometry to Un...

is a revolutionary approach to geometry developed by Dr. Norman J. Wildberger that replaces transcendental functions like tantangent In rational trigonometry, we do not use "distance"

(Q1+Q2+Q3)2=2(Q12+Q22+Q32)open paren cap Q sub 1 plus cap Q sub 2 plus cap Q sub 3 close paren squared equals 2 open paren cap Q sub 1 squared plus cap Q sub 2 squared plus cap Q sub 3 squared close paren : The rational equivalent of the Sine Law: In rational trigonometry

: Computers are much faster at adding and multiplying than calculating trigonometric series.