Question

Find the exact real value of arccos sqrt2/2

Answer 1

@Yttrium

Answer 2

Do you remember what angle whose cos is equal to sqrt2/2 ?? @MandyNeedsHelp

Answer 3

45

Answer 4

Memorizes the trigonometric table or use a calculator

Answer 5

@Arashii Thats not one of my options.
My options are:
pie/3
3pie/4
pie/4
-pie/3

Answer 6

pi over 4 :))

Answer 7

@Yttrium Thank you! i picked -pie/4 thats why i got it wrong earlier

Answer 8

Pi over 4 means 180 over 4 which is 45

Answer 9

Pi is in radians not degree

Answer 10

Let me tell you how to convert.
Those mesurement with pi are called radian measure.
To convert degree to rad,
x (pi/180), where x is the given degree measure.