# Pre-Cal

posted by
**Abby** on
.

1) Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle.

67 degrees 30'

posted by
**Abby** on
.

1) Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle.

67 degrees 30'