Question

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

Answer 1

Answer:

option C . 0.5

Step-by-step explanation:

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

Using the formula :

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