document.write( "Question 870244: How do I prove \r
\n" ); document.write( "\n" ); document.write( "(cosx+cotx)/(sinx+1)= Cotx\r
\n" ); document.write( "\n" ); document.write( "Thank you \n" ); document.write( "
Algebra.Com's Answer #524756 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
Start with substituting the definitions for cotangent in the left side member.\r
\n" ); document.write( "\n" ); document.write( "\"%28cos%28x%29%2Bcos%28x%29%2Fsin%28x%29%29%2F%28sin%28x%29%2B1%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28cos%28x%29sin%28x%29%2Fsin%28x%29%2Bcos%28x%29%2Fsin%28x%29%29%2F%28sin%28x%29%2B1%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28%28cos%28x%29sin%28x%29%2Bcos%28x%29%29%2Fsin%28x%29%29%2F%28sin%28x%29%2B1%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28cos%28x%29sin%28x%29%2Bcos%28x%29%29%2F%28sin%28x%29%28sin%28x%29%2B1%29%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28cos%28x%29sin%28x%29%2Bcos%28x%29%29%2F%28sin%28x%29%28sin%28x%29%2B1%29%29\", \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28cos%28x%29sin%28x%29%2Bcos%28x%29%29%2F%28sin%28x%29%28sin%28x%29%2B1%29%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28cos%28x%29%28sin%28x%29%2B1%29%29%2F%28sin%28x%29%28sin%28x%29%2B1%29%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "and you see the definition again of cotangent? \n" ); document.write( "
\n" );