document.write( "Question 40967: If log sin x = a and log cos x = b, then log (cot ^2 x + 1) = ? \n" ); document.write( "
Algebra.Com's Answer #26406 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Using a trig identity, \n" ); document.write( "log (cot^2 x + 1) = \n" ); document.write( "log (csc^2 x) = \n" ); document.write( "log (1 / sin^2 x) \n" ); document.write( "Now if log sin x = a \n" ); document.write( "sin x = 10^a (in base 10) and \n" ); document.write( "sin^2 x = 10^2a so that \n" ); document.write( "log (1 / sin^2 x) = \n" ); document.write( "log (10^(-2a)) = \n" ); document.write( "-2a \n" ); document.write( " |