## Related questions with answers

Question

Use a graphing utility to determine whether the proposed identity appears to be an identity. If it does, prove it algebraically. If not, give a counterexample.

$\cos 3 x=3 \cos x$

Solution

VerifiedAnswered 1 year ago

Answered 1 year ago

Step 1

1 of 7In solving this, we will graph the identity by using a graphing utility.

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