Exact trigonometric values
know the exact values of sin θ and cos θ for θ = 0°, 30°, 45°, 60° and 90°;
know the exact value of tan θ for θ = 0°, 30°, 45° and 60°
know the exact values of sin θ and cos θ for θ = 0°, 30°, 45°, 60° and 90°;
know the exact value of tan θ for θ = 0°, 30°, 45° and 60°
