Mathematics · Trigonometry
The value of sin(tan-1(4/5) + tan-1(4/3) + tan-1(1/9) - tan-1(1/7)) is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11✓
- 2√3/2
- 31/√2
- 41/2
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