M Mary New member Jan 13, 2010 #1 Directions: Use the half angle formulas to determine the exact values of sine, cosine, and tangent. Angle: 67degrees 30' I don't really understand what the 30' is, and this is due tomorrow!
Directions: Use the half angle formulas to determine the exact values of sine, cosine, and tangent. Angle: 67degrees 30' I don't really understand what the 30' is, and this is due tomorrow!
