Question

if the period of a cosine function is 7pi/4 what is the frequency of the function?

Answer 1

flip period , you will get frequency

Answer 2

no that's not one of the answers.

Answer 3

the process isnt one of your options?

Answer 4

the choices are
8/7
8pi/7
7/8
pi

Answer 5

ok, but what defines frequency?

Answer 6

The frequency is the reciprocal of the period.

http://www.algebralab.org/lessons/lesson.aspx?file=trigonometry_trigperiodfreq.xml

Answer 7

So perhaps you have posted the problem incorrectly or got the answer choices mixed up with another problem.

Answer 8

how many given periods are in 2pi ? is what im thinking the frequency would measure

Answer 9

2pi/(7pi/4) = 4(2/7) = 8/7

Answer 10

oh i see, thanks