document.write( "Question 812984: what are the first three x intercepts of f(x)=2sin(x+Pi/4) \n" ); document.write( "
Algebra.Com's Answer #489544 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! what are the first three x intercepts of f(x)=2sin(x+Pi/4) \n" ); document.write( "*** \n" ); document.write( "f(x)=2sin(x+π/4) \n" ); document.write( "set f(x)=0 \n" ); document.write( "2sin(x+π/4)=0 \n" ); document.write( "sin(x+π/4)=0=sin(0)=sin(π)=sin(2π)=sin(3π) \n" ); document.write( ".. \n" ); document.write( "x+π/4=0 \n" ); document.write( "x=-π/4≈-0.78 \n" ); document.write( ".. \n" ); document.write( "x+π/4=π \n" ); document.write( "x=π-π/4=3π/4≈2.35 \n" ); document.write( ".. \n" ); document.write( "x+π/4=2π \n" ); document.write( "x=2π-π/4=7π/4≈5.49 \n" ); document.write( ".. \n" ); document.write( "x+π/4=3π \n" ); document.write( "x=3π-π/4=11π/4≈8.64 \n" ); document.write( ".. \n" ); document.write( "first three x intercepts:2.35, 5.49, 8.64 \n" ); document.write( " \n" ); document.write( " |