Question

D

What is the value of tan(x) at x = a ?
dx
Choose 1 answer:
A
1
B
0
1
NI
D
1

Answer 1

D. 1

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Algebra I

• Function Notation

Pre-Calculus

• Unit Circle

Calculus

• Derivatives
• Derivative Notation
• Derivative of tan(x) = sec²(x)

Explanation:

Step 1: Define

`(d)/(dx) [tan(x)]\\x = \pi`

Step 2: Differentiate

1. Differentiate:
   `(d)/(dx) [tan(x)] = sec^2(x)`

Step 3: Evaluate

1. Substitute in x:
   `sec^2(\pi)`
2. Evaluate:
   `1`