Question

The value of sin (2. sin^–1. 8) is

• A. 0.64
• B. 0.36
• C. 0.96
• D. 0.84

Answer 1

Answer: (C)

0.96

Answer 2

sin (2 sin^–1 (0.8) = 2.$\left( \frac{8}{10} \right)$ $\sqrt{\left( 1 - \frac{64}{100} \right)}$= 0.96