Maths Trig Identities A-Level Edexcel
0.0(0)
Studied by 22 people
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/12
Earn XP
Description and Tags
Last updated 1:24 PM on 6/5/25
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
13 Terms
1
New cards
sin(A±B)
sinAcosB±cosAsinB
2
New cards
cos(A±B)
cosAcosB∓sinAsinB
3
New cards
tan(A±B)
tanA±tanB÷(1∓tanAtanB)
4
New cards
tanθ
sinθ÷cosθ
5
New cards
cotθ
cosθ÷sinθ
1÷tanθ
1÷tanθ
6
New cards
secθ
1÷cosθ
7
New cards
cosecθ
1÷sinθ
8
New cards
sin²θ+cos²θ
1
9
New cards
tan²θ+1
sec²θ
10
New cards
cot²θ+1
cosec²θ
11
New cards
sin2θ
2sinθcosθ
12
New cards
cos2θ
cos²θ-sin²θ
2cos²θ-1
1-2sin²θ
2cos²θ-1
1-2sin²θ
13
New cards
tan2θ
2tanθ÷(1-tan²θ)
