The following are the 13 units covered in Pre-Cal.  

View all mathematical standards on the TEA website: here  (Pre-Cal starts on page 13) 

Unit 1:  Intro to Pre-Calculus

Unit 2:  Intro to Trig

Unit 3:  Graphs and Applications of Trig Functions

Unit 4:  Analytic Trig

Unit 5:  Vectors

Unit 6: Parametric and Polar

Unit 7:  Conics

  Unit 8:  Functions

Unit 9:  Transformations

Unit 10:  Polynomial Functions

Unit 11:  Rational Functions

Unit 12:  Exponential and Logarithmic Functions

Unit 13:  Sequences and Series