document.write( "Question 195466: I have a right triangle with the letters \"ACB\" (C being 90*) the sides of the triangle are lettered \"bac\". bc make up the right triangle. using the variables given and the definition of sine and cosine ratios. Show that tanA = sinA / cosA \n" ); document.write( "

Algebra.Com's Answer #146589 by vleith(2983) $\"\"$ $\"About$

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Def for sineA = a/c
\n" ); document.write( "Def for cosineA = b/c
\n" ); document.write( "Def tangentA = a/b\r
\n" ); document.write( "\n" ); document.write( " $\"tangentA+=+a%2Fb\"$
\n" ); document.write( " $\"tangentA+=+%28a%2Fb%29+%2A%28%281%2Fc%29%2F%281%2Fc%29%29\"$
\n" ); document.write( " $\"tangentA+=++%28%28a%2Fc%29%2F%28b%2Fc%29%29\"$
\n" ); document.write( " $\"tangentA+=++sineA%2FcosineA\"$ \n" ); document.write( "

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