Plz help with this question

Question

asked May 28, 2020 177k views

1 Answer

Damil · Answer 1 · 2020-06-02T04:54:52+0000

Answer:

We have been given a function and its graph.

y=4 sin(3t)+2

The first point should be midline of the given function

We can see the coordinate of the midline which is (-3.14,2) will be the first point.

And second point should be maximum or minimum.

So, there is minimum according to the graph.

The minimum point will be at when
sin3t=-1

3t=sin^(-1)(-1)

$\Rightarrow 3t=-sin^(-1)(1)$

$\Rightarrow 3t=-(\pi)/(2)$

$\Rightarrow t=-(\pi)/(6)$

$(\pi)/(6)=-(1.57)/(3)$

So, the minimum point is:
(-(1.57)/(3),-2)