Question

Name one x value where the graph of y = cos x crosses the x axis.
A. 0
B. 90
C. 180
D. 45

Answer 1

cos 0=1...that crosses the x axis

Answer 2

so its A

Answer 3

hold on a sec....cos 45=0.7071...that also crosses the x axis

Answer 4

cos 180 is -1 while cos 90 is 0

Answer 5

am thinking 90...not so sure what exactly d question is asking for

Answer 6

what would you pick

Answer 7

B.90 @Tblack