Asked by Nev

Hi,how do I find both solutions of the equation cos0 = 0.35 between degrees 0 and 360?

Many thanks
Answered by Reiny
the cosine is positive in the I and IV quadrant

using the inverse cosine function on your calculator

Ø = 69.513°

so Ø is either 69.513° or (360-69.513)° or 290.487°
Answered by Anonymous
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Answered by Anonymous
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