February 25, 2025 Law of Sines & Cosines Calculator Law of Sines & Cosines CalculatorSelect a law and choose which unknown to solve for. The calculator will compute the missing side or angle with detailed steps.Enter Parameters Select Law: Law of SinesLaw of Cosines Solve for: Side \( a \): Side \( b \): Included Angle \( C \) (°): Solves for side \( c \) using: \( c = \sqrt{a^2 + b^2 – 2ab\cos(C)} \) Side \( a \): Side \( b \): Side \( c \): Solves for angle \( C \) using: \( \cos(C) = \frac{a^2 + b^2 – c^2}{2ab} \) Angle \( A \) (°): Side \( a \): Angle \( B \) (°): Solves for side \( b \) using: \( b = a\frac{\sin(B)}{\sin(A)} \) Angle \( A \) (°): Side \( a \): Side \( b \): Solves for angle \( B \) using: \( \sin(B) = \frac{b\sin(A)}{a} \) ComputeResultThe computed unknown will appear here.Computation StepsStep-by-step details will appear here.Graphical Representation New Calculation Previous StoryMensuration Calculator for 2D ShapesNext Story Cost Calculator
