OpenStudy (moongazer):
3(sin 150degrees)(sin 90degrees) - 2(cos 210degrees)(cos 180degrees)
OpenStudy (anonymous):
3(0.5)(1)-2(-0.8)(-1) 1.5-1.6 = -0.1
OpenStudy (moongazer):
without using calculator :)
OpenStudy (moongazer):
I got 3/2 - sqrt of 3
OpenStudy (moongazer):
correct??
OpenStudy (anonymous):
3(1/2)(1)-2(-sqrt{3}/2)(-1) =3/2 minus .. hmm ..
OpenStudy (anonymous):
yeah i think so :)
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