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：2025/12/03
Pythagorean trigonometric identities
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plural of Pythagorean trigonometric identity
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Pythagorean trigonometric identities
To solve the differential equation, the professor demonstrated how the Pythagorean trigonometric identities simplify expressions involving sine and cosine.
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To solve the differential equation, the professor demonstrated how the Pythagorean trigonometric identities simplify expressions involving sine and cosine.
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