A) \( \Large \sin^{-1}\sqrt{\frac{399}{400}} \) |
B) \( \Large \cos^{-1} \left(\frac{1}{20}\right) \) |
C) \( \Large -\sin^{-1} \left(\sqrt{\frac{399}{400}}\right) \) |
D) none of these |
D) none of these |