Mathematics · Trigonometry
What is tan-1(ab) - tan-1(a - ba + b) equal to?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1tan-1(2aba2 + b2)
- 2tan-1(a2 - b2a2 + b2)
- 3π4✓
- 4-π4
Correct answer
π4
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