Question

Calculate $sin{15}^o.cos{15}^o$.

• A. $\frac{1}{4}$
• B. $\frac{3}{2}$
• C. $\frac{3}{4}$
• D. $\frac{\sqrt{3}}{2}$

Answer 1

The correct option is A $\frac{1}{4}$

$\frac{2sin{15}^{o}cos{15}^o}{2}=\frac{sin{30}^o}{2}=\frac{1}{4}$