You just pick couple of exercises you want to improve, perform 3 - 5 sets of 3 - 5 reps per session and don't forget about progressive resistance principle mentioned above. (roughstrength.com)
In the video below I included couple of exercises that target not only inner thighs but also abs, arms, chest, buttocks and legs. (women-workout-routines.com)
Students will need a knowledge of reciprocal functions (csc, sec, cot) as the last couple of exercises are based on those functions. (tes.com)