Question

fan and medal
find the period and amplitude of the function
y=5cos2theta

Answer 1

@supersmart1001

Answer 2

yes @supersmart1001

Answer 3

what? i need help with the answer, you have the equation right @supersmart1001

Answer 4

my answers are
a.period: pi radians, amplitude: 2.5
b. period: pi radians, amplitude: 5
c. period: 2pi radians, amplitude: 2.5
d. period: 2pi radians, amplitude: 5

Answer 5

@supersmart1001

Answer 6

@FaiqRaees

Answer 7

ok hold on im thinking...

Answer 8

ok

Answer 9

okay, thank you!

Answer 10

np

Answer 11

Are you doing in degrees or radians?

Answer 12

The basic rule for period is to divide the 360 (for degrees) or 2pi(for radians) by the constant with the theta. Since here is 2 divide 360 or 2pi by 2
The constant multiplied with the trignometric function is the amplitude, so here is 5