2sinpi/3cospi/3
2sinpi/3cospi/3 ?
$$2\cdot\sin{ (\frac{\pi}{3}) }\cdot \cos{ (\frac{\pi}{3}) } = \sin{( ~2\cdot(\frac{\pi }{3})~ ) } =\frac{1}{2}\sqrt{3} = 0.86602540378$$
2sinpi/3cospi/3=0
because sin pi = 0
Thanks Heureka.
So it depends on where the brackets are SUPPOSED to be!!!