See https://web2.0calc.com/questions/i-m-confused_17.
Answer:
What are the choices?
Step-by-step explanation:
Should be JK
If not sorry
1/2
if you look at a unit circle, sin(\pi/6) is so cos of (\pi/6/2) would be \pi/3, and cos of (\pi/3) is 1/2
I believe the answer would be x = - 7/4