isaiahromero15
16.04.2021 •
Mathematics
What is the quotient of 151.2 and 13.5?
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Ответ:
cos(x+pi/3) - sin2x=0
<=> cos(x+pi/3)=sin2x
<=> cos(x+pi/3)=cos(pi/2-2x)
<=>x+pi/3=pi/2-2x+k2pi
Or x+pi/3=-pi/2 +2x+k2pi
<=>x=pi/18 + k2pi/3
Or x=5pi/6 +k2pi
Step-by-step explanation: