How do you find the exact value of #cos((11pi)/3)#?
2 Answers
Apr 25, 2018
Explanation:
Given:
The cosine function has a period of
See if
Yes
The equivalent cosine value of
On a trigonometric circle, the
Apr 25, 2018
Explanation:
I'm not sure why we have an entire subject dedicated to just two right triangles (30,60,90 and 45,45,90) but we sure seem to.