Question

QUESTION : http://prntscr.com/3ad2p9
ANSWERS :
A : http://prntscr.com/3ad3ig
B : http://prntscr.com/3ad3ou
C : http://prntscr.com/3ad3tz
D : http://prntscr.com/3ad3yi
D

@satellite73

Answer 1

D

Answer 2

the first one looks like it has period \(\frac{3\pi}{4}\) i didn't look at the others yet
let me check D

Answer 3

oh no i was wrong, it is not A

Answer 4

i don't see any with period \(\frac{3\pi}{4}\)

Answer 5

so wat could be the answer