Pre-Calculus Accelerated
Unit 5 · Analytic trigonometry, taught the way class does it, one idea at a time
All 23 problems from the teacher’s review: hints, step-by-step solutions, the traps, checklists, and a tap-to-read unit circle.
Open → 🔁 Unit 5 Test Review · Round 2Done with the review sheet? The same 23 kinds of problems with new numbers, each with hints, a step-by-step solution and the trap.
Open →Reciprocal, quotient, Pythagorean, cofunction, even and odd, and where each one comes from so you can rebuild it.
Start → 🧩 Lesson 2Trig as algebra in costume: factor first, trade identities second, add fractions, and the conjugate trick.
Open → ⚖️ Lesson 3The rules of the game, the five strategies from your notes, and every example from class stepped through.
Open → ✍️ PracticeThe practice sheet, each with a strategy hint, a first-move hint, and the full proof when you want it.
Open →Seven methods, with fresh equations to solve and exact answers checked.
➕ 5.4Exact values, the triangle method, and the double-angle formulas you derived.
Go in order. Each lesson opens one box at a time: the idea, a worked example you step through, one to try, a short checkpoint. Everything you finish is remembered, so stop whenever and pick up where you left off.
Do the practice on paper. Proofs cannot be graded by a computer honestly, so work each one out, then compare with the full solution and mark whether you got there.