The derivative of sin⁻¹x with respect to x is:
The derivative of sin⁻¹x with respect to x is:
- A. 1 / √(1 + x²)
- B. −1 / √(1 − x²)
- C. 1 / √(1 − x²)
- D. 1 / (1 + x²)
Answer: C) 1 / √(1 − x²)
Explanation: This is a standard formula: d/dx (sin⁻¹x) = 1 / √(1 − x²).
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