Eliminate the parameter in the parametric equations x =4 + sine t, y=6 + sine t, for 0≤t ≤pi/2 , and describe the curve, indicating its positive orientation. how does this curve differ from the curve x=4 + sine t, y= 6 + sine t, for pi/2 ≤t ≤pi ?

It is given that

Subtracting both the above equations we get

It is equation of a straight line.

The curve is drawn in the attached figure.

c)

The first curve is defined for 'x' ranging from 4 to 5 and 'y' ranging from 6 to 7 while as

The second curve is defined for 'x' ranging from 5 to 4 and 'y' ranging from 7 to 6

Since range and domain of both the curves is same thus they represent the same region.

d

gimmee one of those gold crowns!

~coco

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column