tg a-(-sin 2a)=tg a+sin 2a=sin a/ cos a+2 sin a* cos a
sin a=0.6
cos a =sqrt(1- 0.36)=sqrt(0.64) = 0.8
0.6/0.8+2*0.6*0.8=0.75+0.96=1.71
tg a-(-sin 2a)=tg a+sin 2a=sin a/ cos a+2 sin a* cos a
sin a=0.6
cos a =sqrt(1- 0.36)=sqrt(0.64) = 0.8
0.6/0.8+2*0.6*0.8=0.75+0.96=1.71