Consider the right triangle.

Enter the equivalent to sin (B).

**side opposite**

sin = ----------------------

hypotenuse

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}

sin B = ---------

**29**

**- Algebra House**