Math Problem Statement

Find y ′ and y″.

y = 

sin(x)

Solution

Given the function:

y=sin(x)y = \sin(x)

To find the first derivative, yy', and the second derivative, yy'', we proceed as follows:

Step 1: Find the first derivative (yy')

The derivative of sin(x)\sin(x) with respect to xx is:

y=cos(x)y' = \cos(x)

Step 2: Find the second derivative (yy'')

Now, take the derivative of y=cos(x)y' = \cos(x). The derivative of cos(x)\cos(x) is:

y=sin(x)y'' = -\sin(x)

Final Answer:

y=cos(x)y' = \cos(x) y=sin(x)y'' = -\sin(x)

Would you like further clarification or details on these steps?

Here are 5 related questions for further practice:

  1. What is the third derivative of y=sin(x)y = \sin(x)?
  2. What is the derivative of y=cos(x)y = \cos(x)?
  3. How would you differentiate y=sin(2x)y = \sin(2x)?
  4. What is the second derivative of y=sin2(x)y = \sin^2(x)?
  5. How do you find the derivative of y=exsin(x)y = e^x \sin(x)?

Tip: To find the second derivative of a function, simply differentiate the first derivative again.

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Math Problem Analysis

Mathematical Concepts

Calculus
Derivatives
Trigonometric Functions

Formulas

First Derivative of sin(x): y' = cos(x)
Second Derivative of cos(x): y'' = -sin(x)

Theorems

Derivative of sin(x) is cos(x)
Derivative of cos(x) is -sin(x)

Suitable Grade Level

Grades 10-12