Math Problem Statement
lim x→0− cos x x = −∞, pois lim x→0− cos x = cos 0 = 1 e, para x ∈ (−π/2, 0), cos x > 0 donde conclu´ımos que cos x x < 0 nesse intervalo. Portanto, do Teorema 2.69 o resultado segue.
Solution
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Math Problem Analysis
Mathematical Concepts
Limits
Trigonometric Functions
Formulas
-
Theorems
Squeeze Theorem
Suitable Grade Level
Advanced Undergraduate
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