Law of Sines Calculator

    Solve triangles using the law of sines

    Formula

    a/sin(A) = b/sin(B) = c/sin(C)

    Ratio of side to sine of opposite angle is constant.

    Examples

    a=5, A=30°, B=45°

    b ≈ 7.07, c ≈ 8.66.

    Frequently Asked Questions

    About Law of Sines

    Solve triangles using the law of sines.