document.write( "Question 1107590: Please help me to find the value of csc(a+b-c)
\n" ); document.write( "Given a=sec^-1(-7/5), b=sin^-1(-11/12), c=tan^-1(7/15).
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Algebra.Com's Answer #722648 by AnlytcPhil(1810)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Use a calculator\r\n" );
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document.write( "a=sec^-1(-7/5) = 2.36639928 \r\n" );
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document.write( "b=sin^-1(-11/12) = -1.159658464\r\n" );
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document.write( "c=tan^-1(7/15) = 0.4366271598\r\n" );
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document.write( "csc(a+b-c) = 1.43633414\r\n" );
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document.write( "Edwin
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