Which expression is identical to sec^2theta - tan^2theta?

  1. 1
  2. sectheta
  3. 2sec^2theta
  4. 0
Answer

A) 1

Using sin^2theta + cos^2theta = 1 and the definitions of the ratios, sec^2theta - tan^2theta = 1. SLO M-09-B-23 · Knowledge

Mathematics MCQ · More Trigonometric Identities MCQs · Practise