DSAT-4.3

Right Triangles & Trigonometry

Apply SOHCAHTOA, the special right-triangle ratios (45-45-90 and 30-60-90), and the complementary-angle identity sin(x) = cos(90 − x) to solve right-triangle problems on the digital SAT.

What you'll do in this lesson

A voice-first session with the Crimsora tutor on Right Triangles & Trigonometry, then targeted practice and FRQs — with the tutor adapting to where you get stuck.