Naima G.

asked • 01/13/18

Determine the exact value of cos(Pi/24)???

Determine the exact value of cos(Pi/24)???

2 Answers By Expert Tutors

By:

Arthur D. answered • 01/13/18

Effective Mathematics Tutor

Mark M. answered • 01/13/18

Retired math prof. Very extensive Precalculus tutoring experience.

Sheila R.

When I use the calculator to get cos(pi/24), I get .9999973902, but when I type in the above answer, I get .9914448614. Should there be that much of a difference?
Report

02/12/19

Mark M.

tutor
Make sure that your calculator is in radian mode, not degree mode.
Report

02/12/19

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