SOLUTION: If x+y+a+b=π and {{{ sinx/siny=sina/sinb}}} then prove that {{{cotx-coty=cota-cotb}}}

Algebra ->  Trigonometry-basics -> SOLUTION: If x+y+a+b=π and {{{ sinx/siny=sina/sinb}}} then prove that {{{cotx-coty=cota-cotb}}}      Log On