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elenka9797
@elenka9797
July 2022
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вычислите sin t и cos t если 1) t= п/4
2) t= 2п/3
3)t=п
4)t=- п/6
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DariosI
Verified answer
1) t=π/4
sin π/4=√2/2
cos π/4=√2/2
2) t=2π/3
sin 2π/3=√3/2
cos 2π/3=-1/2
3) t=π
sin π=0
cos π=-1
4) t=-π/6
sin (-π/6)=-sin π/6=-1/2
cos (-π/6)=cos π/6=√3/2
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Answers & Comments
Verified answer
1) t=π/4sin π/4=√2/2
cos π/4=√2/2
2) t=2π/3
sin 2π/3=√3/2
cos 2π/3=-1/2
3) t=π
sin π=0
cos π=-1
4) t=-π/6
sin (-π/6)=-sin π/6=-1/2
cos (-π/6)=cos π/6=√3/2