Question 33122
Sin(-300)
-(Sin((360-60)))
Sin(A-B) = Sin A Cos B - Cos A SIn B
therfore Sin(360-60) = Sin 360 Cos 60 - Cos 360 Sin 60
sin 360 = 0 ,cos 60 = 1/2 ,cos 360 = 1 ,sin 60 = {{{sqrt(3)}}}/2
SIn (360 - 60 )= 0 - {{{sqrt(3)}}}/2
-(Sin((360-60)))= - (-{{{sqrt(3)}}}/2)
SIn(-300) = + {{{sqrt(3)}}}/2