66,891 questions

57,836 answers


13,266 users

MathHomeworkAnswers.org is a free math help site for student, teachers and math enthusiasts. Ask and answer math questions in algebra I, algebra II, geometry, trigonometry, calculus, statistics, word problems and more. Register for free and earn points for questions, answers and posts. Math help is always 100% free.

Note: This site is intended to help students and non-students understand and practice math. we do not condone cheating. Users attempting to abuse the system will be permanently blocked from further use.

Most popular tags

algebra problems solving equations word problems calculating percentages geometry problems calculus problems fraction problems math trigonometry problems simplifying expressions solve for x rounding numbers order of operations pre algebra problems evaluate the expression slope intercept form algebra factoring probability math problem polynomials statistics problems please help me to answer this step by step. how to find y intercept algebra 2 problems solving inequalities equation of a line solving systems of equations by substitution logarithmic equations dividing fractions sequences and series help please answer this queastion as soon as possible. thank you :) word problem greatest common factor graphing linear equations geometric shapes square roots substitution method least common multiple factoring polynomials solving systems of equations solving equations with fractions 6th grade math long division http: mathhomeworkanswers.org ask# function of x plz. give this answer as soon as possible standard form of an equation ratio and proportion trig identity proving trigonometric identities solving equations with variables on both sides algebra problem least to greatest dividing decimals solving systems of equations by elimination slope of a line through 2 points precalculus problems domain of a function college algebra help me trinomial factoring algebraic expressions distributive property perimeter of a rectangle factors of a number solving quadratic equations slope of a line i need help with this fraction word problems equivalent fractions 8th grade math limit of a function differentiation help me!! how to find x intercept exponents division algebra 1 hw help asap area of a triangle geometry 10th grade elimination method simplifying fractions . inverse function differential equation greater than or less than integral area of a circle 7th grade math simplify geometry parallel lines solving linear equations mixed numbers to improper fractions standard deviation width of a rectangle solving triangles circumference of a circle number of sides of a polygon scientific notation problems percentages fractions lowest common denominator zeros of a function diameter of a circle solving systems of equations by graphing systems of equations containing three variables dividing polynomials prime factorization length of a rectangle story problems place value derivative of a function quadratic functions algebra word problems area of a rectangle ( mathematical proofs vertex of a parabola converting fractions to decimals calculus 5th grade math evaluating functions integers homework equation algebra 1 calculators least common denominator range of a function combining like terms solve for y radius of a circle greatest to least perpendicular lines finding the nth term unit conversion algebra 2 slope ) ordered pairs solving radical equations area word problems calculus problem calculate distance between two points common denominator functions multiplying fractions complex numbers because i don't understand set builder notation binomial expansion percents geometry word problems equation of a tangent line what is the answers? midpoint of a line show work simplifying radicals #math product of two consecutive numbers adding fractions absolute value ratios help me please and show how to work it out round to the nearest tenth graphing functions 4th grade math median solve graphing divisibility rules radicals statistics 1 () show every step to solve this problem factor by grouping significant figures math homework ? improper fractions to mixed numbers roots of polynomials volume of a cylinder subtracting fractions - derivatives pre-algebra problems how to complete the square multiplying polynomials percentage numbers http: mathhomeworkanswers.org ask?cat=# number patterns mixed numbers pemdas integration please help solving quadratic equations by completing the square surface area of a prism average rate of change simultaneous equations logarithms decimals rounding decimals (explain this to me) solving equations with variables = perimeter of a triangle surface area of a cube implicit differentiation algebra1 maths http: mathhomeworkanswers.org ask# rational irrational numbers place values reducing frations to lowest terms solving trigonometric equations matrices need help dividing how do you solve this problem in distributive property compound interest geometry problem rounding to the nearest cent writing in decimal form direct variation height of a triangle 9th grade math solving equations by factoring lcm answer factor divide decimal to fraction subtracting mixed numbers mean angles problems solve algebra equation arithmetic sequences simplifying trigonometric equation using identities comparing decimals laplace transform sets #help expanded forms pls. help!!

lim cos(1/x) x to 0

How to prove lim_(x->0) cos(1/x)   has not lim?


asked Dec 19, 2011 in Calculus Answers by anonymous

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:

To avoid this verification in future, please log in or register.

1 Answer

well you can substitute 0 in for x.

cos does not have a value at 1/0

lim (x-> 0) of (1/0) does not exist because of the 0 in the deminator.
answered Dec 20, 2011 by Al Level 5 User (13,780 points)

Related questions

1 answer 26 views
2 answers 91 views
91 views asked Aug 7, 2013 in Calculus Answers by anonymous
0 answers 41 views
0 answers 272 views
0 answers 75 views
0 answers 56 views
56 views asked Mar 10, 2013 in Calculus Answers by anonymous
0 answers 28 views
0 answers 76 views
0 answers 105 views
1 answer 157 views
0 answers 65 views
1 answer 18 views
1 answer 18 views
18 views asked Dec 1, 2013 in Calculus Answers by anonymous
1 answer 24 views
2 answers 26 views
26 views asked May 29, 2013 in Calculus Answers by anonymous
0 answers 65 views
0 answers 20 views
20 views asked Apr 12, 2013 in Calculus Answers by anonymous
0 answers 21 views
1 answer 112 views
0 answers 28 views
0 answers 51 views
0 answers 28 views
1 answer 45 views
0 answers 38 views
0 answers 199 views
199 views asked Sep 20, 2012 in Calculus Answers by anonymous
0 answers 39 views
39 views asked Sep 6, 2012 in Calculus Answers by anonymous
0 answers 50 views
50 views asked Jun 6, 2012 in Calculus Answers by anonymous
0 answers 246 views
1 answer 1,623 views
1 answer 39 views
0 answers 44 views
0 answers 27 views
1 answer 36 views
1 answer 25 views