Question:medium

If \( \sin \theta + \cos \theta = 1 \), what is the value of \( \sin^2 \theta + \cos^2 \theta \)?

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The identity \( \sin^2 \theta + \cos^2 \theta = 1 \) holds true for all angles. This is fundamental to trigonometry and is useful when simplifying expressions involving trigonometric functions.
Updated On: Nov 26, 2025
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