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raufov5000
@raufov5000
March 2022
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a) ctg 240 ; б) sin 150 ; в) Cos 5п/4 ; г) tg п/3
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yugolovin
Verified answer
Ctg 240°=ctg 60°=√3/3
sin 150=sin 30°=1/2
cos 5π/4= - cos π/4= -√2/2
tg π/3=√3
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Verified answer
Ctg 240°=ctg 60°=√3/3sin 150=sin 30°=1/2
cos 5π/4= - cos π/4= -√2/2
tg π/3=√3