Question 754691


{{{sin (A)}}}, {{{cos( A)}}}, cos {{{2A}}}, and {{{sin (A/2)}}} if the measure of angle {{{A=37}}} degrees

{{{sin (37)=0.601815}}}

{{{cos( 37)=0.7986355}}}

{{{cos(2* 37)=cos(74)=0.2756373558}}}

{{{sin (37/2)=sin (18.5)=0.317305}}}