What does $sin(arc tan(-7))+3cot(arccot(4))$ equal?

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Answer 1 · 2015-12-23T12:14:29

Seems like the only way to clear re-issuing these types of questions is to provide a fake answer

This question can not be answered unless it is corrected ( $arot = ???$ )

What does sin(arc tan(-7))+3cot(arccot(4))sin(arc tan(-7))+3cot(arccot(4)) equal?