ACT Math Flashcards: Trigonometry

Study Trigonometry in ACT Math with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is cos(π3)\cos\left(\frac{\pi}{3}\right)?

Tap card or press Space to flip

ANSWER

12\frac{1}{2}. From 60° angle in 30-60-90 triangle.

1 / 102

ACT Math: Preparing for Higher Math

All flashcards

102 cards

What this deck covers

This deck focuses on Trigonometry, giving you a quick way to review the definitions, rules, and examples that matter most for ACT Math.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set
What is the period of the trigonometric function f(x)=3sin ⁣(π2x)4f(x) = 3\sin\!\left(\dfrac{\pi}{2}x\right) - 4?
Choose an answer

Keep your progress across every deck

Free account · cards you mark are saved to it