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Model F: Question 02: For all ???? ∈ ℝ, the expression cos(log((x² + 7)/(x⁴ + 5))) is equivalent to: Ⓐ cos(log((x⁴ + 5)/(x² + 7))) Ⓑ sen(log((x² + 7)/(x⁴ + 5))) Ⓒ - cos(log((x² + 7)/(x⁴ + 5))) Ⓓ sen(log((x⁴ + 5)/(x² + 7))) Ⓔ -cos(log((x⁴ + 5)/(x² + 7))) 00:00 Reading the Statement and Interpreting the Question 01:20 Algebra of the Exercise 03:04 Cosine is an Even Function 05:28 Like, Comment and Share 06:27 End #espcex #espcexpreviousexams #mathematics #solvedquestion #commentedquestion #competition #military #trigonometry #logarithms