document.write( "Question 857165: Evaluate
\n" ); document.write( "a) sin^2(π/4) + cos^2(π/4)
\n" ); document.write( "b) sin^2(π/6) + cos^2(π/6)
\n" ); document.write( "c) sin^2(π/3) + cos^2(π/3)\r
\n" ); document.write( "\n" ); document.write( "Can you please help me out? Thanks so much in advance:)
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Algebra.Com's Answer #516423 by lwsshak3(11628)\"\" \"About 
You can put this solution on YOUR website!
Evaluate
\n" ); document.write( "Identity: sin^2(x)+cos^2(x)=1
\n" ); document.write( "a) sin^2(π/4) + cos^2(π/4)=1
\n" ); document.write( "b) sin^2(π/6) + cos^2(π/6)=1
\n" ); document.write( "c) sin^2(π/3) + cos^2(π/3)=1
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