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Русалина21
@Русалина21
August 2021
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sin (П/2 + t) - cos (П-t) +tg (П-t)
Помогите, пожалуйста
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sedinalana
Verified answer
Sin(π/2+t)=cost
cos(π-t)=-cost
tg(π-t)=-tgt
sin(π/2+t)-cos(π-t)+tg(π-t)=cost+cost-tgt=2cost-tgt
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Answers & Comments
Verified answer
Sin(π/2+t)=costcos(π-t)=-cost
tg(π-t)=-tgt
sin(π/2+t)-cos(π-t)+tg(π-t)=cost+cost-tgt=2cost-tgt