Question

Given sin x=0.5 what is cos x

Answer 1

the answer is 0.86603

hope this helps

Answer 2

`sinx=0,5=(1)/(2)`


`sin^2x+cos^2x=1`

`((1)/(2))^2+cos^2x=1`

`(1)/(4)+cos^2x=1`

`cos^2x=(3)/(4)`

`cosx=(√(3))/(2)`
or

`cosx=-(√(3))/(2)`

:)