Answer:
cos (theta) = √21/5
Step-by-step explanation:
sin (theta) = 2/5
(sin (theta))^2 = 4/25
4/25 + (cos (theta))^2 = 1
(cos (theta))^2 = 1 - 4/25 = 21/25
cos (theta) = √21/5
Answer:
x = 0
Step-by-step explanation:
the origin
Answer:
Try an app called connects. I cant help you with this problem but that app can. it has tutors and other things that can help.
Step-by-step explanation:
Answer:
e) cannot be determined
Step-by-step explanation:
hope this helps!!
