Using a calculator, find the value of cos 195°. Round to four significant digits.
A)0.9659
B)-0.9756
C)-0.9659
D)0.9756

Name: Using a calculator, find the value of cos 195°. Round to four significant digits. A)0.9659 B)-0.9756 C)-0.9659 D)0.9756
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Using a calculator, we can find the cosine of 195° to be approximately -0.9659. We round this to four significant digits to get -0.9659, which corresponds to choice C.

Using a Calculator, Find the Value of Cos 195°