Wyznacz kąt alfa (kąt ostry), wiedząc, że:
tg alfa = pierwiastek z 3.
cos alfa = pierwiastek z 3 na 2
tgα = √3 => α = 60*
cosα = √3/2 => α = 30*
wartości odczytano z tablic trygonometrycznych.
tgα = √3
tgα = tg60°
α = 60°
cosα = √3/2
cosα = cos30°
α = 30°
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tgα = √3 => α = 60*
cosα = √3/2 => α = 30*
wartości odczytano z tablic trygonometrycznych.
tgα = √3
tgα = tg60°
α = 60°
cosα = √3/2
cosα = cos30°
α = 30°