Solution Found!
Sine limits Evaluate the following limits.a.
Chapter 9, Problem 60AE(choose chapter or problem)
QUESTION:
Sine limits Evaluate the following limits.
(a) \(\lim _{(x, y) \rightarrow(0.0)} \frac{\sin (x+y)}{x+y}\)
(b) \(\lim _{(x, y) \rightarrow(0,0)} \frac{\sin x+\sin y}{x+y}\)
Questions & Answers
QUESTION:
Sine limits Evaluate the following limits.
(a) \(\lim _{(x, y) \rightarrow(0.0)} \frac{\sin (x+y)}{x+y}\)
(b) \(\lim _{(x, y) \rightarrow(0,0)} \frac{\sin x+\sin y}{x+y}\)
ANSWER:Solution of equation a :
Step 1:
Formula of Sin(a+b) = sina.cosb +cosa.sinb