The value of \( \cos ^{-1}\left(\cos \frac{3 \pi}{2}\right) \) is e...

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The value of \( \cos ^{-1}\left(\cos \frac{3 \pi}{2}\right) \) is equal to
\( \mathrm{P} \)
W
(A) \( \frac{\pi}{2} \)
(B) \( \frac{3 \pi}{2} \)
(C) \( \frac{5 \pi}{2} \)
(D) \( \frac{7 \pi}{2} \)
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