Mathematics · Trigonometry
If X + 1X = 2 cos(θ), then what is the value of X2 + 1X2?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cos(2θ)
- 2sin(2θ)
- 32 sin(2θ)
- 42 cos(2θ)✓
Correct answer
2 cos(2θ)
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