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nataliayurevna
@nataliayurevna
June 2022
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подробное решение упростите выражение sint/(2cos^2*t/2)
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mmb1
Verified answer
sint/(2cos^2*t/2)=2sin(t/2)cos(t/2)/2cos^2(t/2)=sin(t/2)/cos(t/2)=tg(t/2)
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Verified answer
sint/(2cos^2*t/2)=2sin(t/2)cos(t/2)/2cos^2(t/2)=sin(t/2)/cos(t/2)=tg(t/2)