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sen(a)² + cos(a)² = 1
(3/5)² + x² = 1
9/25 + x² = 1
x² = 1 - 9/25
x² = 25 - 9 / 25
x² = 16 / 25
x = 4/5
tg(a) = sen(a) / cos(a)
tg(a) = 3/5 / 4/5
tg(a) = 15 / 20
tg(a) = 3/4
sen(a) + cos(a)/tg(a) =
3/5 + 4/5 / 3/4 =
3/5 + 16 / 15 =
9 + 16 / 15 =
25 / 15 =
5 / 3
(3/5)² + x² = 1
9/25 + x² = 1
x² = 1 - 9/25
x² = 25 - 9 / 25
x² = 16 / 25
x = 4/5
tg(a) = sen(a) / cos(a)
tg(a) = 3/5 / 4/5
tg(a) = 15 / 20
tg(a) = 3/4
sen(a) + cos(a)/tg(a) =
3/5 + 4/5 / 3/4 =
3/5 + 16 / 15 =
9 + 16 / 15 =
25 / 15 =
5 / 3
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