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cosα=2√3/4=√3/2=30°
tgα=2/2√3=1/√3=√3/3=30°
ctgα=2√3/2=√3=30°
sinβ=2√3/4=√3/2=60°
cos β=2/4=1/2=60°
tgβ=2√3/2=√3=60°
ctgβ=2/2√3=1/√3=√3/3=60°