Answer:
t greater than or equal to 9.25
And
t less than or equal to 10.75
Step-by-step explanation:
The first diagram below shows a circle with a radius of 1 (unit circle). The circle is drawn on a Cartesian graph with (0,0) as the center of the circle.
From the second diagram, we can determine the value of sin(Θ) = y
and cos(Θ) = x
We can further deduce that
tan(Θ) =

sec(Θ) =

=

cosec(Θ) =

=

cot(Θ) =

=
Ye $5 notes be x and $1 notes be y
Equation = 5x+y = $40