Question

If A+B+C=90°,
PROOF THAT:-
cotA+cot B+cotC
=cotA.cotB.cotC
​

Answer 1

Answer:

A+B+C=90 then prove that cotA+cotB+cotC=cotAcotBcotC. 2 ... here's the answer of your question ... A + B + C = 90 then cot A + cot B + cot C = cot A cot B cotC is proved.