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MaryViolet
@MaryViolet
August 2022
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[tex] \frac{tg( \frac{-P}{4})sin( \frac{-37P}{6}) }{cos390'} [/tex]
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moboqe
Tg(-pi/4)= -1<0
sin(-37pi/6)= -sin(6pi+pi/6)= -1/2<0
cos(390°)=cos(2pi+pi/6)=cos(pi/6)=sqrt(3)/2>0
-1*(-1/2)/(sqrt(3)/2)=(1/2)/(sqrt(3)/2)=sqrt(3)/3>0
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Answers & Comments
sin(-37pi/6)= -sin(6pi+pi/6)= -1/2<0
cos(390°)=cos(2pi+pi/6)=cos(pi/6)=sqrt(3)/2>0
-1*(-1/2)/(sqrt(3)/2)=(1/2)/(sqrt(3)/2)=sqrt(3)/3>0