Odpowiedź:
P = 5*5*sin α = 25 sin α = 24
sin α = [tex]\frac{24}{25}[/tex]
cos²α = 1 - sin²α = 1 - ([tex]\frac{24}{25} )^{2} = \frac{625}{625} - \frac{576}{625} = \frac{49}{625}[/tex]
cos α = -[tex]\frac{7}{25}[/tex]
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Odpowiedź:
P = 5*5*sin α = 25 sin α = 24
sin α = [tex]\frac{24}{25}[/tex]
cos²α = 1 - sin²α = 1 - ([tex]\frac{24}{25} )^{2} = \frac{625}{625} - \frac{576}{625} = \frac{49}{625}[/tex]
cos α = -[tex]\frac{7}{25}[/tex]
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Szczegółowe wyjaśnienie: