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
√2 amount around 1.4
so the best answer is < which means 'less than'
√2 < 1.8
√2 is less than 1.8
Answer:
49
Step-by-step explanation:
Sadly, you didn't put any sums on your list of choices.
In fact, I can't even find a list of choices !
To find the distance between (7, -1) and (-8, -9),
you would build a sum under a square-root (radical)
symbol, and it would look something like this:
√ ( 225 + 64 ) .
Answer:
A = 4/7
B = 2/3
C = 2/5
Step-by-step explanation:
It's Easy.