Mark (√) against the correct answer in the following:
Let f(x) = cos - 1 2x. Then, dom (f) = ?
f(x) = cos - 1 2x.
domain of cos - 1x = [ - 1,1]
on multiplying by an integer the domain decreases by same number
domain of cos - 12x = [ - 1/2,1/2]
1
Mark (√) against the correct answer in the following:
Let f(x) = cos - 1 2x. Then, dom (f) = ?
f(x) = cos - 1 2x.
domain of cos - 1x = [ - 1,1]
on multiplying by an integer the domain decreases by same number
domain of cos - 12x = [ - 1/2,1/2]