Evaluate: tan²θ + 1?
Maths / Algebra MCQs — Multiple-choice practice
- A. cos²θ
- B. None of these
- C. sin²θ
- D. sec²θ
Correct answer
sec²θ
Explanation
Explanation Identity: 1 + tan²θ = sec²θ Last verified on 04-05-2026
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