mayakelly mayakelly

29-06-2018
Mathematics

contestada

What is the cos(t) if t corresponds to the point (-2, 0)?

0
1
-1
Undefined

Respuesta :

sqdancefan sqdancefan

29-06-2018

The cosine is the x-coordinate of the point on the unit circle at the angle of interest. It seems your point (-2, 0) corresponds to an angle of 180°. The ray through (-2, 0) from the origin intersects the unit circle at (-1, 0).
cos(t) = -1

Ver imagen sqdancefan

Answer Link

Otras preguntas

In the diagram above, B is the center of the larger circle. AB is the radius of the larger circle, and it is the diameter of the smaller circle. The shaded area

The well derrick has 5.5 percent preferred stock outstanding that sells for $48 a share. this stock was originally issued at $45 per share. what is the cost of

For main-group elements using the older numbering system the group number on the periodic table corresponds to which characteristic of the elements of that grou

by visual inspections, determine the best fitting regression model for the scatterplot

PLEASE HELP I NEED IT ASAP WILL GIVE YOU THE BRAINLIEST The table below shows the surface area y, in square feet, of a shrinking lake in x days: Time (x) (days

When Mr. Crain was driving to work in the morning, there was heavy traffic, so he was traveling at a speed of 25 mph. When he was coming back after work there w

If the HCF of 65 and 117 is expressible in the form of 65m - 117,then the value of m is a). 4b.) 2c.) 1d.) 3

What technique does Donne use to create a fast rhythm in the first half of Holy Sonnet XIV: Batter My Heart? a.iambic pentameter b.paradox c.shocking metaphors

How did nixon's new federalism and detente shape his presidency?

Evaluate the extent to which increasing integration of the united states into the world economy contributed to maintaining continuity as well as fostering chang