Answer
Expression 3 in column I matches with E in column 2.
Work Step by Step
$cos(-x)$=$cosx$
In cosine function, the negative sign before x does not affect the value of the function.
Expression 3 in column I matches with E in column 2.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.