SOLUTION: What is the trig ratio for cotangent(theta) in the given right triangle? c (hypoteneuse)= 11, b= 9, B= theta ?

Question 972309: What is the trig ratio for cotangent(theta) in the given right triangle?
c (hypoteneuse)= 11, b= 9, B= theta ?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
B; *
;;;;;;*
|;;;;; *
_============
;;;b
Hypotenuse is 11, 1 leg is 9 ; 9^2 +a^2=11^2=121; 81+a^2=121; a^2=40; a=2 *sqrt(10); (sqrt(40))=sqrt(10)*sqrt(4)
ctn theta=adjacent/opposite =2sqrt(10)/9
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