document.write( "Question 1098093: Use sum and difference identities to find the exact value of sin 15 degrees (two angles given are 45 degrees and 60 degrees.) \n" ); document.write( "
Algebra.Com's Answer #712513 by ikleyn(52788)\"\" \"About 
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\n" ); document.write( "See the lesson \r
\n" ); document.write( "\n" ); document.write( "    - Calculating trigonometric functions of angles, Problem 1\r
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