Question

Please help!

Find all of the angles which satisfy the given equation. (Use the parameter k as necessary to represent any integer).

1) cos(θ) = -(1/2)
2) cos(θ) = ((square root 2)/ 2)

Answer 1

ok do you know general formula for cos x=cos y ?

Answer 2

no

Answer 3

Alright AravindG, a tutor at my school just told me how to do it!

Answer 4

Thanks anyway :)

Answer 5

oh ok sorry ..I am having net problems

Answer 6

It is alright..

Answer 7

:)