(1+sec theta)/sec theta=... a. 1+sin^2 theta d. sin^2

(1+sec theta)/sec theta=... a. 1+sin^2 theta d. sin^2 theta/(1-cos theta) b. (1+sin^2 theta)/cos theta e. (1-sin^2 theta)/(1+cos theta) c. (1-sin^2 theta)/csc theta