document.write( "Question 784359: if cos tetha-sin tetha=0 and 0 degree\n" ); document.write( "

Algebra.Com's Answer #477070 by Alan3354(69443) $\"\"$ $\"About$

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if cos tetha-sin tetha=0 and 0 < tetha < 90 degrees
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\n" ); document.write( "cos = sin
\n" ); document.write( "cos^2 = sin^2
\n" ); document.write( "cos^2 = 1 - cos^2
\n" ); document.write( "2cos^2 = 1
\n" ); document.write( "cos^2 = 1/2
\n" ); document.write( "cos = sqrt(2)/2
\n" ); document.write( "theta = 45 degs
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