Sweety333 Sweety333

01-10-2017
Mathematics

contestada

What is the value of Cos n 2π=???

Respuesta :

mathmate mathmate

01-10-2017

If n is an integer, then cos(n(2π))=1.

Take n=0, cos(2π)=cos(0)=1, n=1, cos(2π)=1, n=2, cos(2(2π))=cos(4π)=cos(0)=1...

If n is not an integer, well, ..... we don't know the value, which depends on the value of n.

Answer Link

Otras preguntas

Descriptive investigations involve collecting data about a system, but not making

A 55-mL solution of H2SO4 is completely neutralized by 46 mL of 1.0M NaOH. What is the concentration of the H2SO4∆H2SO4(aq) +2NaOH(aq) → Na2SO4(aq) + 2H2O(l)

what environment factors may affect an organism that lives on a rocky beach

24 lines are drawn in a plane. of these, 8 lines pass through point a and 11 pass through point b. no other three lines pass through the same point. also, no li

During middle childhood, a new component of the self is added to the categorical, social, and emotional selves. this new component includes things like personal

The list price for a window is $220. Net price is $160. What is the trade discount rate?

What is a key principle of a market economy?

In pregnancy, when the placenta is implanted in the lower uterine segment and encroaches on the internal cervical os causing vaginal bleeding, the condition is

what is the seventh term (x-2y)^6

Jane was very upset when she discovered that her aunt was suffering from asthma. She now wants to help reduce air pollution in her area. Which action will best