Answers edited by Ashish R.
Back to user's profile
What is a general formula for an ester?
How do you prove
-2cos^2x tan(-x)=sin2x
−
2
cos
2
x
tan
(
−
x
)
=
sin
2
x
?
How do you solve
3x+2y+6z=2
3
x
+
2
y
+
6
z
=
2
and
x+y+2z=1
x
+
y
+
2
z
=
1
and
2x+2y+5z=3
2
x
+
2
y
+
5
z
=
3
using matrices?