Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\sin (31 \pi /3)=$$

Answer

sqrt(3)/2

Solution


Simplify  \(31\times \frac{\pi }{3}\)  to  \(\frac{31\pi }{3}\).
\[\sin{(\frac{31\pi }{3})}\]
Simplify.
\[\frac{\sqrt{3}}{2}\]

Decimal Form: 0.866025

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