What is the definition of the unit circle?
Unit Circle Trig 4

Flashcard
•
Mathematics
•
10th - 12th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
The unit circle is a circle with a radius of 1 centered at the origin (0,0) in the coordinate plane. It is used to define trigonometric functions.
2.
FLASHCARD QUESTION
Front
What are the coordinates of the point on the unit circle at an angle of \( \frac{\pi}{4} \)?
Back
The coordinates are \( \left( \frac{\sqrt{2}}{2}, \frac{\sqrt{2}}{2} \right) \).
3.
FLASHCARD QUESTION
Front
What is the value of \( \sin(\theta) \) for \( \theta = \frac{3\pi}{2} \)?
Back
The value is -1.
4.
FLASHCARD QUESTION
Front
What is the value of \( \cos(\theta) \) for \( \theta = \pi \)?
Back
The value is -1.
5.
FLASHCARD QUESTION
Front
What is the relationship between \( \sin \) and \( \cos \) on the unit circle?
Back
For any angle \( \theta \), the coordinates on the unit circle are given by \( (\cos(\theta), \sin(\theta)) \).
6.
FLASHCARD QUESTION
Front
What is the value of \( \tan(\frac{\pi}{4}) \)?
Back
The value is 1.
7.
FLASHCARD QUESTION
Front
What is the secant function in terms of cosine?
Back
The secant function is defined as \( \sec(\theta) = \frac{1}{\cos(\theta)} \).
Create a free account and access millions of resources
Similar Resources on Wayground
15 questions
Unit Circle Practice

Flashcard
•
10th - 12th Grade
15 questions
Dec. 14 Flashcard Trig. identities. Show work where necessary!

Flashcard
•
10th - 12th Grade
15 questions
Precal Unit 4: Trig Graphs and Inverses Review

Flashcard
•
9th - 12th Grade
15 questions
Topic 10: Flashcard

Flashcard
•
9th - 12th Grade
15 questions
Geometry B Circles Test Review

Flashcard
•
9th - 12th Grade
15 questions
PC Lesson 37 Practice

Flashcard
•
10th Grade
15 questions
8.1 & 6.1 Review

Flashcard
•
9th - 12th Grade
15 questions
Miller - Review 3.1 - 3.3 Trig Intro

Flashcard
•
10th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade