Law of Sines Calculator


Law of Sines Calculator is a free online tool that displays the unknown side or the angle of a triangle when the remaining measures are given. BYJU’S online law of sines calculator tool makes the calculation faster, and it displays the unknown value of the triangle in a fraction of seconds.

How to Use the Law of Sines Calculator?

The procedure to use the law of sines calculator is as follows:
Step 1: Enter the known side and angle measure and unknown measure in the respective input field
Step 2: Now click the button “Calculate” to get the unknown value
Step 3: Finally, the unknown measure of the triangle using the law of sines will be displayed in the output field

What is Meant by the Law of Sines?

In mathematics, the law of sines (Sine rule) is a law in trigonometry, which is defined as the ratio of the length of the side to the sine of the opposite angle. It holds for all the three sides of the triangle with respect to the sides and their angles. If a, b and c are the sides of the triangle and A, B and C are the angles, then the law of sine is given by
(a/Sin A) = (b/Sin B) = (c/Sin C)

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