[填空题]
The expression 8 si3cc oudqt9 -2jc1a m1zn okhqn9jzi t 9ss++p4w12 lc2cx cos x can be written in the form p sin q x .
1. Find the value of p and the value of q . p = q =
2. Hence, or otherwise, solve the equation 8 sin x cos x=2 $\sqrt{3}$ , for $\frac{\pi}{4} \leq x \leq \frac{\pi}{2}$ .
