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Earn +20 ptsQ: Is pi an integer
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Why pi is not a surd?
A surd is the square root of an integer (whole number), e.g. square root of 2 is a surd. Pi is not the square root of an integer so not a surd, just an irrational number
Tan what equals 1?
45 degrees (+/- 180k degrees for any integer k) or pi/4 radians (+/- pi*k radians for any integer k).
Can the quotient of two irrational numbers be rational?
Yes. 2*pi is irrational, pi is irrational, but their quotient is 2pi/pi = 2: not only rational, but integer.
What describes the domain of y tan x where n is any integer?
x=pi/2+npi
What Is The Inverse Tangent Of 1.25?
Arctan(1.25) = (0.896 + k*pi) radians , approx, where k is an integer.
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