1. Draw the 60degree angle on the board using a protractor and a pencil. Try to imagine where the saw blade will cut through the wood and draw the line where you want the saw blade
http://www.ehow.com/how_8373979_cut60degreeangle...

pi/3.
http://wiki.answers.com/Q/What_is_a_60_degrees_ang...

60 (degrees) sin(a)60 (degrees) sin(a) is the answer to your math question.
http://www.chacha.com/question/whatisthesineof...

If you are going to be a mathematician you need to have certain trig ratios off the top of your head. the ratios in a 30, 60 & 90 degree triangle for instance. In this triangle
http://answers.yahoo.com/question/index?qid=200909...
