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What is the value of sin² θ + cos² θ? (2021)
Practice Questions
Q1
What is the value of sin² θ + cos² θ? (2021)
0
1
2
sin² θ
Questions & Step-by-Step Solutions
What is the value of sin² θ + cos² θ? (2021)
Steps
Concepts
Step 1: Understand that sin² θ means 'sine of angle θ squared'.
Step 2: Understand that cos² θ means 'cosine of angle θ squared'.
Step 3: Recall the Pythagorean identity, which states that for any angle θ, the sum of sin² θ and cos² θ equals 1.
Step 4: Therefore, when you add sin² θ and cos² θ together, you get 1.
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