SOLUTION: where does sinx= -4/5 ? in radian please

Question 158834: where does sinx= -4/5 ?
in radian please
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

degrees
and by identity, 180-x, also solves,
degrees.
We'll make both values positive.
and
To change from degrees to radians use the conversion factor
radians/degree
radians
radians
radians
radians

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