identities Flashcards Preview

Maths > identities > Flashcards

Flashcards in identities Deck (16):
1

1+tan2(x)

sec2(x)

2

sin(2x)

2sin(x)cos(x)

3

cos(2x)

cos2(x) - sin2(x)

4

cos(A±B)

cosAcosB (-±) sinAsinB

5

d(ln(kx))

1/x

6

d(sin(kx))

kcos(kx)

7

d(tan(kx))

ksec2(kx)

8

d(cosec(x))

-cosec(x)cot(x)

9

d(sec(x))

sec(x)tan(x)

10

d(cot(x))

-cosec2(x)

11

e(kx)dx

1/k.e(kx)

12

1/axdx => 1/adx 1/xdx

1/a.ln|x| or 1/a.ln|ax|

13

f'(x) / f(x) dx

ln|f(x)|

14

f'(x)[f(x)]^n dx

[f(x)]^n+1/n+1

15

f'(X)/f(X)dx

Ln|(f(X))| + c

16

cot(x)dx

ln(sin(x))