What is the simplified form of cos C ?
A. √2/2
B. 1
C. √2
D. √5/2

ANSWERS

2015-10-29 08:48:10

the answer is D !!!!!

2015-10-29 08:49:25

The answer is C, √(2). cosC = 5/(5√2) 5/5 is equal to 1, so they cancel each other out to leave just √2.

ADD ANSWER