Find the cosine of 300°. Round your answer to the nearest hundredth, if necessary. -0.87 -0.5 0.5 0.87

asked Feb 24, 2022 129k views

4 votes

Find the cosine of 300°. Round your answer to the nearest hundredth, if necessary.

-0.87
-0.5
0.5
0.87

5.6k points

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2 votes

Answer:

option C . 0.5

Explanation:

$cos 300 = cos(2\pi - 300 ) = cos( 360 - 300) = cos 60 = 0.5$

Using the formula :

$cos\theta = cos (2\pi - \theta )$

Abiessu answered Feb 28, 2022

6.4k points

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