Mathematics · Trigonometry
In the interval 9π4 ≤ x ≤ 7π2, the solution of the trigonometric equation 1 + cos(2x) = 2 is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 17π2
- 23π✓
- 35π2
- 49π4
Correct answer
3π
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