What is the value of x in math?

Question

Cos X =0.5

a.65

b.30

c.60

d26.7 and please show me how to do it also thanxz

Answer 1

X =60

Answer 2

On a calculator find the button that says Cos-1 (with the -1 in superscript) which is called the inverse of cos. You might have to press a button then press the cos key for example the function key and then cos. Then type in 0.5 so you get cos-1(0.5) and the answer you get is ... 60.

Hope that helps