The derivative of sin(x)cos(x) is?
Question 1
Q1. The derivative of sin(x)cos(x) is?
Answer: cos²(x) - sin²(x)
Explanation: Apply the product rule: (sin(x)cos(x))' = (sin(x))'cos(x) + sin(x)(cos(x))' = cos²(x) - sin²(x).