Question about SoftMath Algebrator - Algebra Homework Solver (689076614429)
(sinx+cosx)^2 + (sinx-cosx)^2
Posted on Feb 08, 2009
Whats the appropriate unit of measure for -5 1/4in - 2 2/3 in
Posted on Aug 26, 2008
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Posted on Jan 02, 2017
Setting x/2=45, means that x=90 (degrees)
But cos(90)=0 and sin(90)=1. Thus tan(45)=1/(1+0)=1.
Posted on Mar 14, 2013
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