Tan X=6/8, find cos X?

Question

A) 6/8

B) 8/10

C) 10/6

D) 6/10

thanks so much in advance!

Answer 1

B) 8/10

i know i was the third to answer and the two ahead of me are also correct but i can guarantee you this is the correct answer

Answer 2

it is the typical "3-4-5" triangle( B)

Answer 3

B

tan^-1 = 6/8

x = 36.8698...

cos 36.8698 = .8 or 8/10