JEE Main 2024 Mathematics question
Not in JEE Main syllabus
The sum of the solution x ∈ ℝ of the equation is
Answer: (C)
Solution
cos⁶x − sin⁶x = cos2x(1 − sin²x cos²x) and 3cos2x + cos³2x = cos2x(3 + cos²2x). So the left side is (3 + cos²2x)/(1 − sin²x cos²x) =
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