Math 20-1 Trigonometry Review The following set of questions will assess your understanding of key unit concepts:angles in standard positionreference anglesdetermining trigonometric ratiossolving trigonometric equationsthe sine lawthe ambiguous case of the sine lawthe cosine lawIf you prefer to hear the solutions by way of an audio solution, check out the video at the end of this page. Trigonometry Review Practice Questions Detailed Audio Solutions