Ask Question
25 February, 22:26

Which equation is not an identity?

(A.) tan (-t) = - tan t

(B.) tan t (csc t + cot t) = sec t + 1

(C.) sin tcot t = cos t

(D.) cos2t - sin2t = - 1

+2
Answers (1)
  1. 25 February, 22:44
    0
    Option D is the answer.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Which equation is not an identity? (A.) tan (-t) = - tan t (B.) tan t (csc t + cot t) = sec t + 1 (C.) sin tcot t = cos t (D.) cos2t - ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers