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25 votes
25 votes
Anyone able to help?!

Anyone able to help?!-example-1
User Dejsa Cocan
by
2.7k points

1 Answer

15 votes
15 votes


\cos \theta = \frac 12\\\\\implies \theta = 2n\pi \pm \frac{\pi}3\\\\\text{For n =0 ~ \text{and}~ n=1}\\\\\\\theta = \frac{\pi}3 , (5\pi)/(3)\\\\\text{In degrees,}\\\\\theta = 60^(\circ) , ~ 300^(\circ)

User Arne Stephensson
by
3.1k points
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