Answer:
1.A matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.
2.
Solution given:
We have
Sin²
-Cos ²
=1
Sin²
=1+Cos²
Sin
=
3.
4Tan²
+4Cot²
-3Tan²
-3Cot²
4Tan²
-3Tan²
+4Cot²
-3Cot²
Tan²
-Cot²
The answer to this is x = 2
For this case we have that if Hernando ate pizza
we have left:

Those
pizza must be distributed equally among 6 people, then:

So, to each friend corresponds
of pizza
ANswer:
To each of the 6 friends corresponds
of pizza