Section 3.3. Read from Example 2 to the end of the section. Answer the following questions by 7:00 am. Send an e-mail with subject line MA251 to email@example.com
1) What is the (limit as x approaches 0) of (sin 7x) / (4x) ?
1) 7/4Nicholas Allen
2) What is the 26th
derivative of cos x?
3) In Example 6, Dr. Stewart uses a trigonometric identity and a key algebraic step to manipulate an expression into a form where the limit is clear. What is the key algebraic step?
and denominator by x