document.write( "Question 1053377: If sin 40°+ sin 20°= sin tetha, find the value of tetha. Pleas help me. I know that this is easy but I want to make sure. Thanks. \n" ); document.write( "
Algebra.Com's Answer #668656 by Alan3354(69443)\"\" \"About 
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theta = 80 degs \n" ); document.write( "
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