IB Maths AA HL AHL 3.9 (HL)—Reciprocal and inverse trigonometric functions Question Bank

• Define sec theta, cosec theta and cot theta.

• Use identities 1+tan^2 theta=sec^2 theta and 1+cot^2 theta=cosec^2 theta.

• Know domains, ranges and graphs of arcsin x, arccos x and arctan x.