+0  
 
0
40
1
avatar

 

In triangle ABC, we have angle A = 90 deg and sin B = 4/7. find cos C.

 Dec 23, 2021
 #1
avatar
0

cos C = sqrt(1 - (4/7)^2) = sqrt(33)/7.

 Dec 23, 2021

5 Online Users

avatar