Answer:
x=17
Step-by-step explanation:
Sin and cos are complementary angles, they both add. up to form 90 degrees.
[tex] \sin(x) = \cos(y) [/tex]
where x+y=90
[tex]3x + 1 + 2x + 4 = 90[/tex]
[tex]5x + 5 = 90[/tex]
[tex]5x = 85[/tex]
[tex]x = 17[/tex]
