Question

Sendo cos β = $\frac{3}{5}$ , sec β é:

(A) 5
(B)$\frac{4}{5}$
(C)$\frac{5}{4}$
(D)$\frac{5}{3}$

Answer 1

Resposta:

5/3

Explicação passo-a-passo:

sec β= 1/cos β

sec β= 1/3/5

sec β = 5/3

Alternativa "D"