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OpenStudy (anonymous):
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)
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OpenStudy (aravindg):
ok do you know general formula for cos x=cos y ?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
Alright AravindG, a tutor at my school just told me how to do it!
OpenStudy (anonymous):
Thanks anyway :)
OpenStudy (aravindg):
oh ok sorry ..I am having net problems
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OpenStudy (anonymous):
It is alright..
OpenStudy (aravindg):
:)
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