ACT Math - Trig & Circles

call kaiCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/5

encourage image

There's no tags or description

Looks like no tags are added yet.

Last updated 1:36 AM on 4/8/26
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai
Add student to class section state
Add studentsNo students in these sections. Invite them to track progress!

6 Terms

1
New cards

Sine (SOH)

sin = opposite / hypotenuse

2
New cards

Cosine (CAH)

cos = adjacent / hypotenuse

3
New cards

Tangent (TOA)

tan = opposite / adjacent

4
New cards

Radians to degrees

π radians = 180°

5
New cards

Arc length formula

(θ / 360) × 2πr

6
New cards

Sector area formula

(θ / 360) × πr²