3.) In the triangle to the right, Cos(A) = (12/15). Which of the following trigonometric functions would be equivalent?





a) Cos (B)
b) Sin (A)
c) Sin ( B)
d) Not enough information given.

3 In the triangle to the right CosA 1215 Which of the following trigonometric functions would be equivalent a Cos B b Sin A c Sin B d Not enough information giv class=

Respuesta :

Cos A is adjacent (12) over hyp (15). Now sin B is opposite (12) over hyp(15). Therefore, your answer would be
 
Sin B.

(ask me if you still don't get it)