Вычислите: tg(-П/4)-2sin(-П/6)-cos3П
tg(-П/4)-2sin(-П/6)-cos3П
-1-2(-1/2)-(-1)=-1+1-1=1
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tg(-П/4)-2sin(-П/6)-cos3П
-1-2(-1/2)-(-1)=-1+1-1=1