Which expression is identical to csc^2theta - 1?

  1. sec^2theta
  2. tan^2theta
  3. cot^2theta
  4. 1
Answer

C) cot^2theta

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

Mathematics MCQ · More Trigonometric Identities MCQs · Practise