Get the solutions for the easy region, then add multiples of 2pi until you have all the solutions in the region you are given.
Could somebody please explain (step by step) how to find the exact value of sinx= -1/√2 when -pi < θ ≤ pi? Been trying to google but the only example is between 0 < θ ≤ 2pi..
What equips me to tutor? First of all, equips is not english to you must be from another country. I though am from the United States. Lets see... Math major, expert in math, actuary science major, mba, etc etc.