domain is all reals except where the denominator is zero
1-2cosx = 0 when
cosx = 1/2
x = 2kπ ± π/3
so the domain is all reals except 2kπ ± π/3
what is the domain and range of the function
F(x)= 1/1-2cosx
1 answer
F(x)= 1/1-2cosx
1 answer
3 answers
1 answer
1 answer
1 answer