How do you evaluate sin(sin^-1(-4/7))sin(sin−1(−47))?
1 Answer
Jul 7, 2016
Explanation:
sin^-1x " is the " color(blue)"inverse" " of "sinxsin−1x is the inverse of sinx In this context
color(red)(|bar(ul(color(white)(a/a)color(black)(sin(sin^-1x)=x)color(white)(a/a)|)))
rArrsin(sin^-1(-4/7))=-4/7
