Respuesta :
Find the complement of 42 degrees: subtract 42 degrees from 90 degrees.
Alright, lets get started.
There is identity which represents trigonometric functions in terms of their complements.
sin θ = cos (90 - θ)
Hence
[tex] sin 42 = cos (90-42) [/tex]
So, [tex] x = 90 - 42 [/tex]
So,
x = 48 : Answer
Hope it will help :)