Trigonometric Identities
0.0(0)
Studied by 3 people
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/18
Earn XP
Description and Tags
Last updated 2:16 AM on 3/8/23
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
19 Terms
1
New cards
cscθ
1/sinθ (Reciprocal Identity)
2
New cards
sinθ
1/cscθ (Reciprocal Identity)
3
New cards
secθ
1/cosθ (Reciprocal Identity)
4
New cards
cosθ
1/secθ (Reciprocal Identity)
5
New cards
cotθ
1/tanθ (Reciprocal Identity)
6
New cards
tanθ
1/cotθ (Reciprocal Identity)
7
New cards
tan θ
sinθ/cosθ (Quotient Identity)
8
New cards
cot θ
cosθ/sinθ (Quotient Identity)
9
New cards
sin²θ + cos²θ
1 (Pythagorean Identity)
10
New cards
tan²θ + 1
sec²θ (Pythagorean Identity)
11
New cards
1 + cot²θ
csc²θ (Pythagorean Identity)
12
New cards
sin(α ± β)
sinαcosβ ± sinβcosα (Sum and Difference Identities)
13
New cards
cos(α ± β)
cosαcosβ ∓ sinαsinβ (Sum and Difference Identities)
14
New cards
tan(α ± β)
tan α ± tan β / 1 ∓ tan α tan β (Sum and Difference Identities)
15
New cards
sin 2θ
2sinθcosθ (Double Angle Identities)
16
New cards
tan 2θ
2 tanθ / 1 − tan²θ (Double Angle Identites)
17
New cards
cos 2θ
cos²θ-sin²θ (Double Angle Identites)
18
New cards
cos 2θ
2cos²θ-1 (Double Angle Identites)
19
New cards
cos 2θ
1-2sinθ (Double Angle Identites)
Note 
Flashcards (20)