Physics · Trigonometric Identities in Waves
What expression below equals (1 + 2 sinθ cosθ)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(1 + sinθ)2
- 2(sinθ + cosθ)2✓
- 3(1 + cosθ)2
- 4(sinθ - cosθ)2
Correct answer
(sinθ + cosθ)2
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