if angle a is an acute angle, and sin a = .9540 find tan A??

[lena]

if angle a is an acute angle, and sin a = .9540 find tan A?? huh, it says find tan a to four decimal places. could u help me with a formula, do i do tan- in my calculator,, i got 43.65414 is it right?

 

[skeeter]

tan[sin^-1(.9540)] = 3.1821