Unit 8.3–Inverse Trig Cheat Sheet adv/alg.geo 11th(17) Sin (Φ) = LengthSin-1(Length) = ΦSin-1meansarcsine Put in angle and get a lengthPut in a length and get an angle Sin (x) = kSin-1(k) = x Sin (x) = k(Domain is X values, Range is Y values) ...