Question

How to do it and the steps

Answer 1

Here, One angle magnitude = 58  [ Given ]
Opposite angle = 90 - 58 = 32      [ Complementary angles ]
One angle = 90

Now, 
Tan Ф = P/B
Tan 58 = 14/EF
EF = 14/1.60
EF = 8.75

& Sin Ф = P / H
Sin 58 = 14/DF
DF = 14/0.84
DF = 16.50 

Hope this helps!