Trigonometry & mixed review

0.0(0)
Studied by 0 people
call kaiCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/20

encourage image

There's no tags or description

Looks like no tags are added yet.

Last updated 6:16 PM on 10/10/26
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai
Chat

No analytics yet

Send a link to your students to track their progress

21 Terms

1
New cards
SOH-CAH-TOA
sin θ = opposite/hypotenuse; cos θ = adjacent/hypotenuse; tan θ = opposite/adjacent.
2
New cards
Inverse trigonometry
Use sin⁻¹, cos⁻¹, or tan⁻¹ of a side ratio to find an angle.
3
New cards
45°-45°-90° triangle
x : x : x√2.
4
New cards
30°-60°-90° triangle
x : x√3 : 2x, opposite 30°, 60°, and 90°, respectively.
5
New cards
Degrees to radians
Radians = degrees × π/180.
6
New cards
Radians to degrees
Degrees = radians × 180/π.
7
New cards
Compound interest
A = P(1 + r/n)^(nt).
8
New cards
Exponential growth
y = a(1 + r)^t.
9
New cards
Exponential decay
y = a(1 − r)^t.
10
New cards
TI-84 π shortcut
Press 2nd, then ^.
11
New cards
TI-84 previous answer
Use Ans, accessed with 2nd then (−).
12
New cards
TI-84 decimal to fraction
MATH → 1:►Frac, when the result can be represented as a fraction.
13
New cards
TI-84 graphing
Enter functions in Y=, then press GRAPH.
14
New cards
TI-84 standard graph window
ZOOM → 6:ZStandard.
15
New cards
TI-84 table
2nd → GRAPH.
16
New cards
TI-84 store a value
Type value → STO→ → variable key → ENTER.
17
New cards
TI-84 degree mode
MODE → select Degree → ENTER → QUIT.
18
New cards
TI-84 find a zero
Graph function → 2nd → TRACE → zero.
19
New cards
TI-84 find an intersection
Graph both functions → 2nd → TRACE → intersect.
20
New cards
TI-84 one-variable statistics
STAT → EDIT to enter data; STAT → CALC → 1-Var Stats.
21
New cards
TI-84 diameter from circle area
Type 2 × √(area ÷ π) → ENTER.