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What is the value of sin^2(x) + cos^2(x)?
Practice Questions
Q1
What is the value of sin^2(x) + cos^2(x)?
1
0
sin(x)
cos(x)
Questions & Step-by-Step Solutions
What is the value of sin^2(x) + cos^2(x)?
Correct Answer: 1
Steps
Concepts
Step 1: Understand what sin(x) and cos(x) are. They are functions that relate to angles in a right triangle.
Step 2: Recall the Pythagorean identity, which is a fundamental relationship in trigonometry.
Step 3: The Pythagorean identity states that for any angle x, sin^2(x) + cos^2(x) equals 1.
Step 4: Therefore, no matter what value x takes, sin^2(x) + cos^2(x) will always equal 1.
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