Write two subtraction facts related to 7 + 5 =12
1 answer:
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Answer:
No this is not the same as cos(2Ф)
Step-by-step explanation:
First I changed the Ф into 1-
Ф
I then foiled the (1-2Ф)(1-
Ф) and that resulted in 1-
Ф-2
Ф+2
Ф
From there, I then cancelled the two 2Ф and combined like terms and was left with 1-3
Ф
Now 1-3Ф ≠ cos(2Ф)
Answer:
The diameter of circle is 24 cm.
Step-by-step explanation:
We are given the following in the question:
Circumference of circle = 75.36 cm
We have to find the diameter of the circle.
Circumference of circle =
where r is the radius of the circle.
Putting values, we get,
Diameter of circle =
Thus, the diameter of circle is 24 cm.