tan 2 pi = tan 360º = 0
3.1415926536 is to 10 places but not exact. The only exact value of pi is pi itself. So any exact answer involving pi would include pi in the answer.
Yes, you could if you knew the exact value for pi as well as the diameter of the circle. Multiply the diameter by the exact value for pi to get the circumference. However, it is impossible because the exact value for pi is not known. It is only known to about a trillion decimal places, but the exact value is not known.
If the value of pi is the circumference of any circle divided by its diameter then what is the true exact value of pi? Why is it that the exact area of a circle can never be found?
3.1428
That is not correct. "tan x" is a function that depends on the value of "x"; it is not always pi. tan(x) is pi only if 'x' is about 72.3 degrees, 252.3 degrees, or either of these added to a multiple of 360 degrees.
Firstly , it is 'pi' NOT 'pie'. 'pie' is what you eat ; apple pie. Secondly ; make sure your calculator is in 'Radian' mode; NOT degree mode. Otherwise you will have an incorrect answer!!!!! Type in ' Tan, Bracket 'pi', divide, '3', Close Bracket, equals (=) the answer should appear on your calculator screen as ' 0,01827908761,,,,' NB Many students/people forget to correct the mode of their calculator, and thereby have an incorrect answer. Degrees ; degrees mode 'pi' ; Radian mode.
tan (pi) / 1 is zero. tan (pi / 1) is zero.
3.1415926536 is to 10 places but not exact. The only exact value of pi is pi itself. So any exact answer involving pi would include pi in the answer.
Yes, you could if you knew the exact value for pi as well as the diameter of the circle. Multiply the diameter by the exact value for pi to get the circumference. However, it is impossible because the exact value for pi is not known. It is only known to about a trillion decimal places, but the exact value is not known.
The circumference of any circle when divided by its diameter has the exact value of pi
If the value of pi is the circumference of any circle divided by its diameter then what is the true exact value of pi? Why is it that the exact area of a circle can never be found?
3.1428
They gave it a value of about 3 but even today we do not know the exact value of pi
The value of pi is determined by dividing a circle's circumference by its diameter and an exact value has never been worked out because pi is an irrational number.
That is not correct. "tan x" is a function that depends on the value of "x"; it is not always pi. tan(x) is pi only if 'x' is about 72.3 degrees, 252.3 degrees, or either of these added to a multiple of 360 degrees.
Because 22/7 is the approximate value of pi as a fraction but the exact value of pi has never been determined.
In ancient times the value of Pi was given as 3 but even today the exact value of Pi is not known because it is an irrational number.