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cos β = cateto adjacente/ hipotenusa
cateto adjacente = 2
hipotenusa = 10
c ateto opuesto = √(10² - 2²) = 9.80
sin β = 9.80 / 10 = 0.98
cos β = 2 / 10 = 0.2
tg β = 9.80 / 2 = 4.9
ctg β = 2 / 9.8 = 0.20
sec β = 10 / 2 = 5
csc β = 10 / 9.8 = 1.02