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

Noun-adjective agreement says that this sentence is incorrect. why? “yo tengos ojas verdes”

Which of the following liquids would turn blue litmus paper red? 1. orange juice 2. milk of magnesia 3. distilled water mixed with a little baking soda 4. oven

Math help, please. I need help.

A net has a square at the center and 4 triangles on the sides. The square has side lengths of 2 yards. The triangles have a base of 2 yards and a height of 3 ya

A rectangular prism measures 6 m long and 3 m wide. If the volume of the prism is 162 m*, what is the height of the prism

Unlike plants, humans cannot make their own food. Where do most humans get energy to live, breathe, and grow? (2 points)and brain lstGroup of answer choicesHuma

in the majority opinion, what does Fortas suggest that the school authorities actions were due to?

Please I need the answer asapThe specific heat of water is 4.184 J/g·K. How much energy must be added to 100.0 g of water to raise the temperature of water from

Find the surface area of the cylinder. Type an exact answer in terms of pi.

A sample of methane occupies 3. 0 L at 200. C and 1. 4 ATM. What is the volume of the gas at STP?