Ask Question
10 November, 22:28

Find the exact value of the expression cos (-105)

+4
Answers (1)
  1. 10 November, 23:51
    0
    Cos (-105) = cos105 = cos (90+15) = cos90cos15 - sin90sin15 = 0. cos15 - 1. sin5 = 0 - sin15 = - sin15
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Find the exact value of the expression cos (-105) ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers