Mathematics · Complex Analysis
Which of the following identities/properties is false for complex variables?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1|sin z| ≤ 1 for all z ∈ ℂ✓
- 2sin2z + cos2z = 1 for all z ∈ ℂ
- 3sin z = eiz - e-iz2i, ∀ z ∈ ℂ
- 4cos z = eiz + e-iz2, ∀ z ∈ ℂ
Correct answer
|sin z| ≤ 1 for all z ∈ ℂ
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