The OpenStax team has you covered- College Algebra/Trig: https://cnx.org/contents/E6wQevFf@6.35:nU8Qkzwo@4/Introduction-to-Prerequisites https://cnx.org/conten

The OpenStax team has you covered- College Algebra/Trig: https://cnx.org/contents/E6wQevFf@6.35:nU8Qkzwo@4/Introduction-to-Prerequisites https://cnx.org/contents/E6wQevFf@6.35:nU8Qkzwo@4/Introducti... Pre-calc: https://cnx.org/contents/_VPq4foj@6.57:vEOnJry_@2/Introduction-to-Functions https://cnx.org/contents/_VPq4foj@6.57:vEOnJry_@2/Introducti...