axemonster15 axemonster15

20-02-2017
Mathematics

contestada

evaluate 2sin(pi/3) cos(pi/3)

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Аноним Аноним

20-02-2017

I got 0.03654595................... ignore me I'm dumb

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ChandrikaP ChandrikaP

20-02-2017

2sin(pi/3)*cos(pi/3)

here π means 180 degree

2 sin (180/3)*cos(180/3)
2 sin 60° * cos 60° sin 60° =2/3 ,cos60°=1/2

[2*2/3]*[1/2]
4/3*1/2
answer =2/3

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