Garen T.

# If f( ? ) = sin ?, what is f(5p /3)?

The π  next to the 5 is pi.
pls explain

## 2 Answers By Expert Tutors

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Tutor
New to Wyzant

Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors

Tutor
5 (5)

Understanding all Sines of Triangles

Garen T.

I got the same answer but my teacher marked it as only half right. She said you have to continue?

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06/16/15

Michael J.

I don't know why your teacher said you have to continue.  -√(3)/2 is the most simplest solution to this.
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06/16/15

Andrew M.

I agree with Michael.  The only possible other thing you could do at that point would be to work it out to a decimal which is not necessary.  You really need to ask your teacher to explain the reasoning and show you what else he/she wants done.
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06/16/15

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