document.write( "Question 1168593: sin(u) = 5/13, 𝜋2 < u < 𝜋
\n" ); document.write( "find Sin(u/2)
\n" ); document.write( "Cos(u/2)
\n" ); document.write( "Tan(u/2) \n" ); document.write( "
Algebra.Com's Answer #793178 by ikleyn(52800)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Use the formulas for trigonometric functions of half argument.\r
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\n" ); document.write( "\n" ); document.write( "For these formulas,  see the lessons\r
\n" ); document.write( "\n" ); document.write( "    - FORMULAS FOR TRIGONOMETRIC FUNCTIONS \r
\n" ); document.write( "\n" ); document.write( "    - Trigonometric functions of half argument \r
\n" ); document.write( "\n" ); document.write( "    - Trigonometric functions of half argument - Examples \r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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