Trig Identities & Definitions Flashcards Preview

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Flashcards in Trig Identities & Definitions Deck (13)
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1

Cos^2x + sin^2x

1

2

Cos(x+y)

Cosxcosy - sinxsiny

3

Sin(x+y)

Sinxcosy + sinycosx

4

d/dx (sinx)

Cos x

5

d/dx cos x

-sin x

6

d/dx tan x

Sec^2 x

7

d/dx sec x

Sec x tan x

8

d/dx cot x

-csc^2 x

9

Tan x

Sin x/ cos x

10

Csc x

1/sinx

11

Sec x

1/cosx

12

Cot x

1/tanx or cos x/sin x

13

d/dx csc x

-csc x cot x