1. if tan theta < 0 and sec theta > 0, which quadrant(s) could the terminal side of theta lie? 2. if csc theta > 0, which quadrant(s) could the terminal side of theta lie?
3. if sin theta < 0 and cot theta < 0, which quadrant(s) could the terminal side of theta lie?
I need help really quick, thank you to whoever can help! :)

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.