Question

cos(330°) equal what?​

Answer 1

Answer:

cos(330°) = √3/2 is the answer

Answer 2

Answer:

√3/2

Step-by-step explanation:

Cos ( 2$\pi$ -α) = Cos α

∵ in first and forth quadrant  Base does NOT change sign.

so Cos (330) = Cos ( 360 -30)

and Cos 30  is  = √3/2