Math Problem Statement

resuelve el problema

Solution

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Math Problem Analysis

Mathematical Concepts

Multivariable Calculus
Limits in two variables
Evaluating limits algebraically

Formulas

Limit formulas for multivariable functions
Square root properties in limits
Trigonometric identities (secant and tangent)
Cosine function in limits

Theorems

Continuity of functions at a point
Direct substitution in limits
Squeeze theorem (for evaluating limits)
Trigonometric limit rules

Suitable Grade Level

Undergraduate (Calculus Level)