Question

me ajudem pfv, eu sou péssima em matemática ​

Answer 1

1)

h: hipotenusa

h²=6²+8²

==>h=√(36+64)=10

a) sen alfa =6/10

b) cos alfa =8/10=4/5

c) tg alfa =6/8=3/4

d) sen beta=8/10=4/5

e) cos beta =6/10

f) tg beta =8/6=4/3

2)

sen 30 =7/x  

1/2= 7/x

x=14

sen 60 =y/14

√3/2=y/14

y=7√3

3)

sen 30 =H/30

H= 30 * sen 30

H = 30 * √3/3

H =10√3