Question 1203785


{{{ sin (theta)=4/5}}}

{{{ theta=sin^-1(4/5)}}}

{{{ theta=sin^-1(4/5)}}}

{{{ theta=0.927295218}}}  radians

{{{ theta=53.13}}}°


{{{ cos(theta)=-3/5}}}

{{{ theta=cos^-1(-3/5)}}}

{{{ theta=2.2142974355881}}} radians

{{{ theta=126.9}}}°