Using a calculator, find the value of sin 250°. Round to four significant digits.
A)1.0642
B)-0.9397
C)0.9397
D)-1.0642

Name: Using a calculator, find the value of sin 250°. Round to four significant digits. A)1.0642 B)-0.9397 C)0.9397 D)-1.0642
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Question

Quizplus · Accepted Answer

First, convert 250° to radians: 
250° * (π/180) ≈ 4.3633 radians

Then, use the sine function on the calculator: 
sin(4.3633) ≈ -0.9397

Round to four significant digits: 
sin 250° ≈ -0.9397

Therefore, the best choice is B.

Using a Calculator, Find the Value of Sin 250°