3 years ago

May someone solve and give explanation

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

6 0

Answer:

θ = 49.4584°

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Trigonometry

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] cosθ = adjacent over hypotenuse
Inverse Trig

Step-by-step explanation:

Step 1: Define

Identify variables

Angle θ = ?

Adjacent Leg = 13

Hypotenuse = 20

Step 2: Find Angle

Substitute in variables [cosine]: cosθ = 13/20
Inverse Trig: θ = cos⁻¹(13/20)
Evaluate: θ = 49.4584°

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