sin-1 = the inverse sine.....just go to the onsite calculator and hit the"2nd" button, then...hit the "asin" button, key in the value you'd like to find, and hit "enter"
sin-1 = the inverse sine.....just go to the onsite calculator and hit the"2nd" button, then...hit the "asin" button, key in the value you'd like to find, and hit "enter"