Question

me ajude a calcular
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Answer 1

Explicação passo-a-passo:

a)

sen A = 6/10 = 3/5

cos A= 8/10 = 4/5

tg A= 6/8 = 3/4

b)

sen A= 3/5

cos A= 4/5

tg A= 3/4

c)

sen A= 12/13

cos A= 5/13

tg A= 12/5

d)

sen a = 8/10 = 4/5

cos a= 6/10 = 3/5

tg a= 8/6 = 4/3