Mathematics · Trigonometry
If the equation sin4x - (p + 2)sin2x - (p + 3) = 0 has a solution, then p must lie in the interval:
- 1[-3, -2]✓
- 2(-3, -2)
- 3(2, 3)
- 4[-5, -3]
Correct answer
[-3, -2]
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