# Trig

posted by
**Jeane**
.

sin(2 tan-1 7/24) (that is inverse tangent)

Draw a 7 24 25 right triangle. Label the angle whose tangent is 7/24. What is its angle? What is the sin of twice that angle.

posted by
**Jeane**
.

sin(2 tan-1 7/24) (that is inverse tangent)

Draw a 7 24 25 right triangle. Label the angle whose tangent is 7/24. What is its angle? What is the sin of twice that angle.