Oftentimes they will ask you to write within some intervals.
Example
eg: 2sinx-1 = 0. x ∈ {0,4pi} In these cases, you must write all answers of x that satisfy the equation within the intervals sinx = 1/2 x = pi/6 x = 5pi/6 x = 13pi/6 x = 17pi/6
Oftentimes they will ask you to write within some intervals.
eg: 2sinx-1 = 0. x ∈ {0,4pi} In these cases, you must write all answers of x that satisfy the equation within the intervals sinx = 1/2 x = pi/6 x = 5pi/6 x = 13pi/6 x = 17pi/6