Formula sheet — Trigonometry Identities

Original student demo. Sample content, not a real event, client or record.

FORMULA SHEETTrigonometry Identitiessin²θ + cos²θ = 1PYTHAGOREAN1 + tan²θ = sec²θPYTHAGOREAN1 + cot²θ = cosec²θPYTHAGOREANsin 2θ = 2 sinθ cosθDOUBLE ANGLEcos 2θ = cos²θ − sin²θDOUBLE ANGLEtan 2θ = 2tanθ / (1 − tan²θ)DOUBLE ANGLEsin(A ± B) = sinA cosB ± cosA sinBSUM & DIFFERENCEcos(A ± B) = cosA cosB ∓ sinA sinBSUM & DIFFERENCECheck with your textbook before exams.

Printable vector design. Replace sample details before use. This download is a demo, not the Workshop editor.