How do you find the exact value of cot (arctan (5/8))cot(arctan(58))?
1 Answer
Mar 24, 2016
Explanation:
Recall that
cot(arctan(5/8))=1/tan(arctan(5/8))cot(arctan(58))=1tan(arctan(58))
So, we obtain:
1/tan(arctan(5/8))=1/(5/8)=8/51tan(arctan(58))=158=85