Решите уравнения cost=v2/2 cos(3п/2+t)=1/2

Question

Решите уравнения
cost=v2/2
cos(3п/2+t)=1/2

Answer 1

Cos (t)=v*2/2
cos(t)=v*1
cos(t)=v
v=cos(t)
t=R

график..
y=cos(3/2+t)
y=1/2

Comments

V - это корень

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cos (t)=√2/2

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cos(t)=√1
cos(t)=1

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t=0+2kп K=Z