Trigonometry

These Trigonometry questions are aligned with the ACT from ACT, Inc. in United States.

Select a difficulty level to start practicing. Easy exams are free. Medium and hard exams require a premium subscription.

Trigonometry on the ACT Math covers sine, cosine, tangent, and their reciprocals, the unit circle, trig identities, and basic trig equations in right triangles and the coordinate plane. Only 5-10% of ACT Math questions test trigonometry, but they tend to appear at the end of the test where time pressure is highest. Practice with these tests to build the fluency with trig functions that lets you handle these questions quickly without losing time.