Basic IdentityEasyQuestion 200001
Question
The value of sin²30° + cos²30° is:
- A0
- B1Correct
- C1/2
- D√3/2
Correct answer
1
Explanation
By the fundamental Pythagorean identity, sin²θ + cos²θ = 1 for every angle θ.
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By the fundamental Pythagorean identity, sin²θ + cos²θ = 1 for every angle θ.