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1 vote
Evaluate sin57°40'.

0.8425
0.8450
0.8992

User Kavvson
by
8.8k points

2 Answers

7 votes
The answer is 0.8450, as that is what the exact number rounds to.
User Will Custode
by
8.1k points
3 votes

Answer:


\text{sin}(57^(\circ)40')\approx 0.8450

Explanation:

We are asked to evaluate
\text{sin}(57^(\circ)40').

We can write our given expression as:


\text{sin}(57+(40)/(60)^(\circ))


\text{sin}(57+(2)/(3)^(\circ))


\text{sin}(57+0.67^(\circ))


\text{sin}(57.67^(\circ))

Now let us evaluate our expression.


\text{sin}(57.67^(\circ))=0.8449819


\text{sin}(57.67^(\circ))\approx 0.8450

Therefore, option B is the correct choice.

User Marc Von Renteln
by
8.5k points