User:Temperal/The Problem Solver's Resource1
Trigonometric FormulasNote that all measurements are in degrees, not radians. Basic Facts
Terminology
Also: $\tan^{-1} A=\atan A=\arctan A$ (Error compiling LaTeX. Unknown error_msg) $\tan^{-1} A=\asin A=\arcsin A$ (Error compiling LaTeX. Unknown error_msg) $\tan^{-1} A=\asin A=\arcsin A$ (Error compiling LaTeX. Unknown error_msg) Sum of Angle Formulas
Pythagorean identities
for all Other Formulas==Law of CosinesIn a triangle with sides
and: Law of Sines
=Law of TangentsFor any Area of a TriangleThe area of a triangle can be found by
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