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Questão 4

Digital SAT Diagnostic Practice Quiz · Deck: Digital SAT: Comprehensive Practice (Math & Reading-Writing)

In a right triangle, angle $A$ and angle $B$ are acute angles. If $\sin(A) = \frac{4}{5}$, what is $\cos(B)$?

  1. $\frac{3}{5}$
  2. $\frac{4}{5}$
  3. $\frac{5}{4}$
  4. $\frac{3}{4}$

Fonte: OpenStax Algebra and Trigonometry 2e, Section 7.2

Guia da prova: SAT — matérias, formato e fontes oficiais.

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