Question

me ajudem por favor

Answer 1

a)
$sen \alpha = \frac{8}{17} = 0.47$
b)
$cos \alpha = \frac{15}{17} = 0.88$
c)
$tg \alpha =\frac{8}{15} = 0.53$
d)
$sen \beta = \frac{15}{17} = 0.88$
e)
$cos \beta = \frac{8}{17} = 0.47$
f)
$tg \beta = \frac{15}{8} = 1.87$