Right triangle ABC has three sides with lengths AB = 119, BC = 169, CA = 120. Find the value of cos C.

Hint: Draw and label the triangle. The hypotenuse is always the longest side.
Question 2 options:

A) 169
----
120

B) 120
----
169

C) 119
----
120

D) 120
----
119

Question

Right triangle ABC has three sides with lengths AB = 119, BC = 169, CA = 120.  Find the value of cos C.

Hint: Draw and label the triangle.  The hypotenuse is always the longest side.
Question 2 options:
	

A) 169
     ----
     120
	

B) 120
    ----
    169
	

C) 119
     ----
     120
	

D) 120
    ----
    119

hexiflexidexi · Answer

Have you heard about SOHCAHTOA? It means to find the cosine you would need to find  the adjacent over the hypotenuse. Try drawing and labelling the triangle. Do you know how to tell the opposite from the adjacent?

hexiflexidexi · Answer

Maybe this will help: https://www.mathsisfun.com/algebra/trigonometry.html

ilovebmth1234 · Answer

hw do i know what side is which?

ilovebmth1234 · Answer

|dw:1458136852977:dw|

rishavraj · Answer

|dw:1458136835534:dw| @ilovebmth1234 http://www.intmath.com/trigonometric-functions/2-sin-cos-tan-csc-sec-cot.php would be helpful :))