Trigonometric reasoning and applications

Assess cumulative trigonometric reasoning through equations, identities, inverse branches, graphs and geometric applications. Two original diagrams support a route-distance problem and a comparison of simultaneous signal values.

Twelve mixed single-select and multiselect items ask for complete solution sets, domain checks, parameter cases, harmonic bounds and phase timing and geometric uncertainty. Radian or degree conventions are stated in each task. Work independently before reading the detailed explanations, which check missing branches, inadmissible values and common sign errors. This is a transfer assessment, not a step-by-step lesson.