Ask Question
30 April, 09:59

Find all solutions of the equation. (Enter your answer in the form a + bπn, where a [0, 2π), b is the smallest possible positive number, and n represents any integer. Round a to four decimal places.) cos (x) = - 1

+5
Answers (1)
  1. 30 April, 10:19
    0
    Cos (x) = - 1

    thus x=arccos (-1) = 180=π

    also, cos (x) = - 1 when:

    x=π,3π,5π, ...

    The above is a sequence that can be modeled by:

    xn = (2π+nπ)

    where, n=1,3,5, ... (set of all odd numbers)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Find all solutions of the equation. (Enter your answer in the form a + bπn, where a [0, 2π), b is the smallest possible positive number, ...” 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