document.write( "Question 931142: Find the angle theta such that 0greaterthanorequal theta<2pi and cos(2theta)=2-2sin^2 theta \n" ); document.write( "
Algebra.Com's Answer #565442 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Find the angle theta such that 0greaterthanorequal theta<2pi and cos(2theta)=2-2sin^2 theta \n" ); document.write( "*** \n" ); document.write( "cos(2x)=2-2sin^2(x) \n" ); document.write( "1-2sin^2x=2-2sin^2(x) \n" ); document.write( "1≠2 (no solution) \n" ); document.write( " |