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Activities 749
Method 2: Symbolic Manipulation
Method 2: Symbolic ManipulationMethod 2: Symbolic Manipulation
Method 2: Symbolic Manipulation
Perform the following steps to solve the equation
sin(x)=cos(x) with respect to x.
4. Find the intersection point of the two
functions.
Note: Press ‡ and select 5:Intersection.
Respond to the screen prompts to select
the two curves, and the lower and upper
bounds for intersection
A.
5. Note the
x and y coordinates. (Repeat
steps 4 and 5 to find the other
intersections.)
1. On the Home screen, enter
solve(sin(x)=
cos(x),x)
.
The solution for
x is where @n1 is any
integer.
2. Using the
ceiling( ) and floor( ) functions,
find the ceiling and floor values for the
intersection points as shown.
Note: Move the cursor into the history
area to highlight the last answer. Press
¸ to copy the result of the general
solution.