Question

seno, cosseno e tangente, pfv

Answer 1

Explicação passo-a-passo:

13^2 = 5^2 + x^2

169 = 25 + x^2

x^2 = 144

x = 12

sen(A) = 5/13

cos(A) = 12/13

tg(A) = 5/12

sen(C) = 12/13

cos(C) = 5/13

tg(C) = 12/5