Home/
Competitive Exams/
JEE Main & Advanced/
Mathematics/
Trigonometry/
Question 200006
JEE Mathematics · Easy

Trigonometry: Pythagorean Identities MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
Pythagorean IdentitiesEasyQuestion 200006

Question

1 + tan²θ equals:
  1. A
    sec²θ
    Correct
  2. B
    cosec²θ
  3. C
    cos²θ
  4. D
    cot²θ

Correct answer

sec²θ

Explanation

Dividing sin²θ + cos²θ = 1 by cos²θ gives tan²θ + 1 = sec²θ.

Review Trigonometry notesStart timed chapter practice