document.write( "Question 967122: Solve the following equation. List all solutions on the interval (0,2pi)\r
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document.write( "Problem: sin(x)cos(pi/2) + cos(x)sin(pi/2)=1\r
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document.write( "Hint given: sin (A+B)=sinAcosB +cosASinB \n" );
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Algebra.Com's Answer #591086 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Solve the following equation. List all solutions on the interval (0,2pi) \n" ); document.write( "Problem: sin(x)cos(pi/2) + cos(x)sin(pi/2)=1 \n" ); document.write( "Identity: sin(x+y)=sinxcosy+cosxsiny \n" ); document.write( "sin(x)cos(pi/2) + cos(x)sin(pi/2)=1 \n" ); document.write( "sin(x+π/2)=1 \n" ); document.write( "x+π/2=π/2 \n" ); document.write( "x=0 \n" ); document.write( " |