antonioroton antonioroton
  • 17-04-2018
  • Mathematics
contestada

Which is equivalent to sin-1(–0.4)? Round your answer to the nearest hundredth of a radian.

Respuesta :

calculista
calculista calculista
  • 27-04-2018
let
A---------> the angle

if sin A=-0.4
then 
A=sin-1(-0.4)
using a calculator
A=-23.578
°--------> the angle A belong to the IV quadrant
convert to radians

if pi radians-----------> 180°
x-------------------> -23.578°
x=-23.578*pi/180--------> x=-0.41 radians

the answer is
-0.41 radians
 
Answer Link
malcolmensley malcolmensley
  • 03-05-2018
the answer is -0.41 I just took the test
Answer Link

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