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45. TRIGONOMETRIC EQUATIONS: If sin²4x + cos²x = 2 sin4x cos²x, then x = A. n(pie) /2 B. (2n+1)pie/2 C. (2n+1)pie D. None of these |
| Answer» 45. TRIGONOMETRIC EQUATIONS: If sin²4x + cos²x = 2 sin4x cos²x, then x = A. n(pie) /2 B. (2n+1)pie/2 C. (2n+1)pie D. None of these | |