Mathematics · Trigonometry
The expression sin2 θ + cos2 θ - 1 = 0 is satisfied by how many values of θ?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Two values
- 2Infinitely many values✓
- 3Only one value
- 4No value
Correct answer
Infinitely many values
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