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: Using product rule, if y = sin(x)cos(x), then y' = (sin(x))'cos(x) + sin(x)(cos(x))' = cos²(x) - sin²(x).