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Observe o ângulo central α do círculo trigonométrico a seguir:
Admitindo que 0 ≤ α< π/2 e cos α = 4/5 , o valor de sen (2π - α) é igual a:
Essential reading on, and beyond, Indigenous Peoples Day
and while there’s truth in those narratives, it’s also critical, (l. 32)
The linker and while in the fragment above expresses contrast.
A similar meaning is conveyed in:
Essential reading on, and beyond, Indigenous Peoples Day
to acknowledge what is working in our communities and in our movements. (l. 31)
The underlined word may be substituted, without significant change in meaning, by the one below:
Essential reading on, and beyond, Indigenous Peoples Day
our people are still being attacked by the many forms of colonization, (l. 29-30)
The sentence above exhibits the passive voice.
Another occurrence of the passive voice is underlined below:
Essential reading on, and beyond, Indigenous Peoples Day
what is most sacred to us. (l. 22-23)
Regarding the indigenous peoples, the fragment above refers to the following elements:
No plano cartesiano, os pontos (3,2) e (5,4) pertencem ao gráfico da função dada por
y = log2(ax + b).
O valor de a+b é:
Considere a região do plano cartesiano
A = {(x, y) ∈ ℝ2 |x| + |y| ≤ 1}
esboçada na figura.
Dado B = {(x, y) ∈ ℝ2: (x+1)2 + y2 ≥ 1}, a área da região A∩B é:
fundem-se formando e um
outro subproduto, além de liberar uma grande quantidade de
energia.
