Find the derivative of f(x) = sin(x) at x = π/2.

Practice Questions

Q1
Find the derivative of f(x) = sin(x) at x = π/2.
  1. 0
  2. 1
  3. -1
  4. undefined

Questions & Step-by-Step Solutions

Find the derivative of f(x) = sin(x) at x = π/2.
  • Step 1: Identify the function we want to differentiate, which is f(x) = sin(x).
  • Step 2: Recall the rule for finding the derivative of sin(x). The derivative of sin(x) is cos(x).
  • Step 3: Write down the derivative: f'(x) = cos(x).
  • Step 4: Now, we need to find the value of the derivative at x = π/2.
  • Step 5: Substitute π/2 into the derivative: f'(π/2) = cos(π/2).
  • Step 6: Calculate cos(π/2). The value of cos(π/2) is 0.
  • Step 7: Therefore, the derivative of f(x) = sin(x) at x = π/2 is 0.
  • Differentiation of Trigonometric Functions – Understanding how to differentiate sine and cosine functions and apply them to find the derivative at a specific point.
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