Respuesta :

1) Sin Ф = P / H
Sin 42 = a / 15
a = 15 * 0.669
a = 10.04 

2) Sin Ф = P / H
Sin x = 13/29
x = Sin^-1 (.44)
x = 26   [ Sin 26 = 0.44 ]

In short, Your Answer would be 26

Hope this helps!