document.write( "Question 1205810: B. Rewrite each expression as a function of a single angle. You do not need to solve for the function at that angle.\r
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Algebra.Com's Answer #842850 by ikleyn(52914) $\"\"$ $\"About$

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\n" ); document.write( "Rewrite each expression as a function of a single angle.
\n" ); document.write( "You do not need to solve for the function at that angle.
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document.write( "Use the formula of double argument for sine function\r\n" );
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document.write( "    sin(2a) = 2*sin(a)*cos(a)\r\n" );
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document.write( "and get\r\n" );
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document.write( "   = sin(2*63°) = sin(126°).    ANSWER\r\n" );
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document.write( "The last expression is what you want to get.\r\n" );
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