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dreamoto1
@dreamoto1
July 2022
1
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Решите уравнение!
2 cos t=1
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TARTILLO
Verified answer
Решите уравнение!
2 cos t=1
cos t=1/2
t1=arccos(1/2)+2πn=π/3+2πn, n∈Z,
t2=-arccos(1/2)+2πn=-π/3+2πN, n∈Z
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Answers & Comments
Verified answer
Решите уравнение!2 cos t=1
cos t=1/2
t1=arccos(1/2)+2πn=π/3+2πn, n∈Z,
t2=-arccos(1/2)+2πn=-π/3+2πN, n∈Z