Advertisement
Calculate A – B.
A – B ≈ -11.48912529 or A – B ≈ -11.489
NOTE: If you used the rounded values to compute the new problem, you would get
Find and store the intersections of
Graph Y
= cos( ) x and Y
1
Zoom 6 for the standard window... [-10, 10]
Change the window to view the intersection points....[-3, 3]
Press GRAPH.
Find the left intersection point:
Press 2
First Curve?
Second Curve?
Guess?
Store left x-coordinate as A:
Press 2
Press X,T, θ ,n STO
Store left y-coordinate as C:
Press 2
Press ALPHA Y STO
A – B ≈ -11.49.... which is incorrect!
f x
( )
=
2
=
3
x −
2
nd
TRACE 5: intersect.
Move cursor left closer to the left point of intersection.
Press ENTER .
Press ENTER.
Press ENTER.
nd
MODE (to QUIT GRAPH screen and view HOME screen).
ALPHA A ENTER.
nd
MODE (to QUIT GRAPH screen and view HOME screen).
ALPHA C ENTER.
and
cos( )
x
g x
( )
=
3
2
.
Are you in radian mode?
x [-10, 10]
.
1
1
2
.
x
−
2
x [-5, 5]
.
1
1
Advertisement
