Answer:
x = 34.8499°
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
Trigonometry
- [Right Triangles Only] SOHCAHTOA
- [Right Triangles Only] sin∅ = opposite over hypotenuse
- Trig Inverses
Explanation:
Step 1: Identify Variables
Angle = x (in deg)
Opposite Leg = 4
Hypotenuse = 7
Step 2: Solve for x
- Substitute [sine]: sin(x°) = 4/7
- Sine Inverse: x° = sin⁻¹(4/7)
- Evaluate: x = 34.8499°