1.oblicz pozostale wartosci funkcji trygonometrycznych wiedząc ze
tg x= 12/5
tg x = 12/5 => y/x
sin x= 12/13 => y/r
cos x= 5/13 => x/r
12^2 + 5^2 = r^2
144 + 25 = r^2
169 = r^2
r = 13 => √169 = 13
(np. ^2 to potęga => do 2)
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tg x = 12/5 => y/x
sin x= 12/13 => y/r
cos x= 5/13 => x/r
12^2 + 5^2 = r^2
144 + 25 = r^2
169 = r^2
r = 13 => √169 = 13
(np. ^2 to potęga => do 2)