Find the trigonometric ratio

Consider the right triangle.

Enter the equivalent to sin (B).

           side opposite
sin = ----------------------
            hypotenuse

- sin of an angle is the side opposite the angle over the hypotenuse
- the hypotenuse is the side opposite the right angle

                21
sin B = ---------   {21 is opposite B and 29 is the hypotenuse}
                29

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