最終更新日：2024/08/02
The Pythagorean trigonometric identity states that sin(x)² + cos(x)² = 1.
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The Pythagorean trigonometric identity states that sin(x)² + cos(x)² = 1.
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The Pythagorean trigonometric identity states that sin(x)² + cos(x)² = 1.
The Pythagorean trigonometric identity states that sin(x)² + cos(x)² = 1.
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