Question is on the pic

Answer:
x = 34.8499°
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Equality Properties
Trigonometry
Step-by-step explanation:
Step 1: Identify Variables
Angle = x (in deg)
Opposite Leg = 4
Hypotenuse = 7
Step 2: Solve for x