document.write( "Question 1125862: which of the equations are equivalent?\r
\n" ); document.write( "\n" ); document.write( "arc tan(-1) and 135°
\n" ); document.write( "cos(arc sec4) and 1/4
\n" ); document.write( "1/2sin30° and 15°
\n" ); document.write( "arc csc(csc7 π/12) and 7π/12
\n" ); document.write( "

Algebra.Com's Answer #742187 by Alan3354(69443)\"\" \"About 
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which of the equations are equivalent?\r
\n" ); document.write( "\n" ); document.write( "arc tan(-1) and 135°
\n" ); document.write( "cos(arc sec4) and 1/4
\n" ); document.write( "1/2sin30° and 15°
\n" ); document.write( "arc csc(csc7 π/12) and 7π/12
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\n" ); document.write( "None of those are equations.
\n" ); document.write( "An equation has an equal sign.
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\n" ); document.write( "Do you not have a calculator?
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