Mathematics · Trigonometry
If tan A + cot A = 4 and tan A · cot A = 1, find the value of tan2A + sec2A.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 113 + 4√3
- 216 + 6√2
- 315 + 8√3✓
- 414 + 8√3
Correct answer
15 + 8√3
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