Non-calculator trigonometric values

• Sin(0) = 0
• Sin(30) = 1/2
• Sin(45) = sqrt(2)/2
• Sin(60) = sqrt(3)/2
• Sin(90) = 1
• Cos(0) = 1
• Cos(30) = sqrt3 / 2
• Cos(45) = sqrt2 / 2
• Cos(60) = 1/2
• Cos(90) = 0
• Tan(0) = 0
• Tan(30) = sqrt3 / 3
• Tan(45) = 1
• Tan(60) = sqrt3
• Tan (90) = undefined