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

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

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Question 1014238: If x+y+a+b=π and then prove that

Answer by ikleyn(52797) (Show Source): You can put this solution on YOUR website!
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https://answers.yahoo.com/question/index?qid=20151021191016AA2fCV7

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