You can put this solution on YOUR website! Evaluate: sin π/2 - cos 3π/4 - tan π/6
-------
sin(pi/2) = 1
cos(3pi/4) = -sqrt(2)/2)
tan(pi/6) = sqrt(3)/3
------------------------------
Ans:: 1 - sqrt(2)/2 - sqrt(3)/3
------
= [6 - 3sqrt(2) - 2sqrt(3)]/6
-----------------
Cheers,
Stan H.
--------------