Answer:
If
x
y
=
sin
x
, using the product rule:
y
+
x
y
'
=
cos
x
□
y
'
+
y
'
+
x
y
'
'
=
−
sin
x
△
△
x
+
□
⇒
2
y
'
x
+
y
'
'
+
y
+
x
y
'
=
−
sin
x
x
+
cos
x
As
y
=
sin
x
x
and
y
+
x
y
'
=
cos
x
:
2
y
'
x
+
y
'
'
+
cos
x
=
−
y
+
cos
x
⇒y''+2y,
x+y=0
I think that the correct answer to this question is E.) 90 .
Answer:
21
Step-by-step explanation:
A. The equation is written in standard form; a = 3, b = 9, c = 10.
Yes. because congruent means that all the parts of the graphs are the same, i.e. congruent is a special kind of similar