Find the value of cos 14°. Round to the nearest ten-thousandth.

Mathematics
Tutor: None Selected Time limit: 1 Day

Find the value of cos 14°. Round to the nearest ten-thousandth.

a.  0.1367

b.  0.2419

c.  0.2493

d.  0.9703

May 5th, 2015

We know that cos(30°)=sqrt(3)/2=0,8660 or 14° < 30° so cos(14°) has a greater value than 0,8660. You can remove answer a, b and c. Stay d which is the good answer and that is provided by your pocket calculator.


May 5th, 2015

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