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Mathematics 14 Online
OpenStudy (anonymous):

PLEASE HELP Following answers: 39° 30° 26.57° 60°

OpenStudy (anonymous):

geerky42 (geerky42):

7/14 = 1/2 Ring any bells?

geerky42 (geerky42):

\[\theta = \cos^{-1}\left(\dfrac{1}{2}\right)\]\[\theta = \space ?\]

geerky42 (geerky42):

Use unit circle. What is \(\theta\) when \(\cos\theta = \dfrac{1}{2}\) ?

geerky42 (geerky42):

You got it?

OpenStudy (anonymous):

Is it B?

geerky42 (geerky42):

None. It's true for sinθ= 1/2, but we want cosθ = 1/2.

OpenStudy (anonymous):

Those are the only answers available. I think you did it wrong...

geerky42 (geerky42):

None. Look carefully.

OpenStudy (blurbendy):

cos 60 degrees= 1/2 or 7/14

OpenStudy (anonymous):

Look at the following answers.

OpenStudy (blurbendy):

I did...

geerky42 (geerky42):

No, YOU look at the following answer. We want θ and blurbendy already gave you the answer.

OpenStudy (anonymous):

Go away. geerky42, or I'll report you.

geerky42 (geerky42):

Ok... @blurbendy already gave you the answer. Seriously he did...

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