Question

g

Answer 1

\[cos^{-1}(\frac{\sqrt{2}}{2})\]

Answer 2

its not working on my calculator

Answer 3

when does \[cos(\theta)=\frac{\sqrt{2}}{2}\]?

Answer 4

oh lol yes tht the equation
i got pi/4

Answer 5

pi/4, 7pi/4, 9pi/4....

Answer 6

so
\[\frac{\pi}{4}+2\pi*k\]
and
\[\frac{7\pi}{4}+2\pi*k\]
for some integer k

Answer 7

so it 7pi/4

Answer 8

there are infinite answers

Answer 9

pi divided by four

seven pi divided by four

pi divided by six

eleven pi divided by six

i need the exact one