Triangle Solver
by Freya HolmérClick sides & angles to mark them as known or unknown,
and it will display what is solvable or cursed
Code
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Formulas
Sum of angles
Law of cosines
$$\begin{aligned}
a^2 & ={c^2+b^2-2cb} \cos A\\
b^2 & ={a^2+c^2-2ac} \cos B\\
c^2 & ={b^2+a^2-2ba} \cos C
\end{aligned}$$
Law of sines
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Right triangle formulas
Pythagorean theorem
Trigonometric ratios
$$\begin{aligned}
\sin A &= {a \over c} & \sin B &= {b \over c} \\
\cos A &= {b \over c} & \cos B &= {a \over c} \\
\tan A &= {a \over b} & \tan B &= {b \over a}
\end{aligned}$$
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