(sinA÷secA)÷(cosA÷sinA) =tan A

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Answer for 10 points show work you guys in advanced < 3