Question

find the exact value of cos-1 (square root of 3 divided by 2)

Answer 1

Looks like this?
\[\cos^{-1}(\sqrt{\frac{3}{2}})\]

Answer 2

Thats right

Answer 3

30 degrees,
pi/6 in radians

Answer 4

thanks :)

Answer 5

:D:D

Answer 6

Ah, must have been \[\cos^{-1}(\frac{\sqrt{3}}{2})\]
Inverse cosine isn't defined at the previously typed expression.

Answer 7

Oh. shoot. lol