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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