Write out the chart for common angles and their sin and cosines?
Answer:
Column 1 (Angles)= 0,30,45,60,90
Column 2 (Sines)= 0 over 2 (0), Square root 1 over 2 (0.5), Sq rt 2 over 2 (0.7), Sq rt 3 over 2 (0.9), Sq rt 4 over 2 (1.0)
Column 3 (Cosines) = Vice Versa