document.write( "Question 1196768: Dear tutor,
\n" ); document.write( "How do I solve these trig equtions? I did not see a similar example on the suggested equitions here.\r
\n" ); document.write( "\n" ); document.write( "Q1. 2cos(π/4x)+√3 =0\r
\n" ); document.write( "\n" ); document.write( "Q2. 4sin(π/4(x+2))+2 =0\r
\n" ); document.write( "\n" ); document.write( "Thank you so much.
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Algebra.Com's Answer #829754 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Hi\r\n" );
document.write( " Q1. 2cos(π/4x)+√3 =0 \r\n" );
document.write( "0r cos(π/4x) = -√3/2 \r\n" );
document.write( "  | See wheel below (cosx, sinx)  \r\n" );
document.write( "   cos(5π/6) = -√3/2   \r\n" );
document.write( "          |Cross multiply and solve for x\r\n" );
document.write( "      20πx = 6π\r\n" );
document.write( "         x = 6/20 = 3/10\r\n" );
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document.write( "Q2. 4sin(π/4(x+2))+2 =0   0r sin (π/4(x+2)) = -2/4 = -1/2 \r\n" );
document.write( "Look on Wheel:   sin (7π/6) = -1/2\r\n" );
document.write( "  |Cross multiply and solve for x \r\n" );
document.write( " .\r\n" );
document.write( "Wish You the Best.\r\n" );
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