The value of sin-1\(\left(\cos \frac{3 \pi}{5}\right)\) is:
A. \(\frac{\pi}{10}\)
B. \(\frac{3 \pi}{5}\)
C. \(\frac{- \pi}{5}\)
D. \(\frac{- 3 \pi}{5}\)
Answer:C
The value of sin-1\(\left(\cos \frac{3 \pi}{5}\right)\) is:
A. \(\frac{\pi}{10}\) B. \(\frac{3 \pi}{5}\) C. \(\frac{- \pi}{5}\) D. \(\frac{- 3 \pi}{5}\)