[b][color=#38761d]Without using a calculator,[/color][color=#0000ff] use this applet to test your knowledge of evaluating trigonometric functions of [/color][color=#ff0000]special angles.[/color][color=#0000ff]  Every angle you see will be a [/color][color=#ff0000]multiple of pi/6 and/or pi/4 radians.[br][/color][color=#ff0000]Angle range tested here = [-12pi, 12pi].  [/color][/b][br][b][color=#9900ff][br]Be sure to input EXACT VALUES of RATIOS in the input box![/color][/b][br][b][color=#9900ff]Use the phrase "sqrt()" for the square root symbol.  [br][/color][color=#9900ff]For example, type "[/color]sqrt(3)/2[color=#9900ff]" for [math]\frac{\sqrt{3}}{2}[/math][/color][/b][b][color=#9900ff].  [br][br]You can complete only 4 problems.[br][br][/color]For an applet that generates questions similar to these for angles between [-100pi, 100pi], [br][color=#0000ff][url=https://www.geogebra.org/m/kGESz9jk]click here[/url][/color]. [/b]