Question

y=3cos2theta

Answer 1

please help me graph this

Answer 2

amplitude will b 3

Answer 3

if \[\Theta= 0\]

Answer 4

then\[\cos 2 \theta =\cos 2 \times 0= \cos 0=1\]

Answer 5

so\[3\cos 3 \theta=3 \times 1=3\]

Answer 6

and so on

Answer 7

thanks!