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Flashcards in Important Formulas Deck (29)
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what is the trigonometric functions that relate to (x,y)?

(cos,sin)

1

what is the formula that goes with .866?

square root of 3/ 2

2

what fraction goes with .577?

square root of 3/ 3

3

what fraction goes with .707?

square root of 2/2

4

what is the fraction that goes with 1.73?

square root of 3

5

what is tan theta also equal to?

sin/cos

6

deg>radians formula?

pie/180

7

rad>degrees formula?

180/pie

8

what does the theta stand for in theta = s/r?

central angle (radians)

9

what does s equal in theta =s/r?

intercepted arc

10

what does r = in the formula theta =s/r

radius

11

where is theta in the bow tie angles diagram

always at the origin

12

sin^2 theta + cos^2theta =?

1

13

cos^2 theta equals?

1-sin^2 theta

14

sin^2 theta equals?

1-cos^2theta

15

tan^2 theta +1 equals?

sec^2theta

16

cot^2 theta + 1 equals?

csc^2 theta

17

y=asinx or y=acosx what does |a| =?

amplitude

18

y=asinbx what does b=?

frequency

19

y=asinbx what is the period formula?

2pie/b

20

arithmetic formula?

a sub n =asub 1 +(n-1) a

21

what is the geometric formula?

asub n =asub1 r^n-1

22

when you have a fractional exponent what is the formula

exponent / index

23

what is the formula of a circle?

(x-h)^2 + (y-k) ^2 =r^2

24

if the denominator is a binomial what do you multiply it by?

the conjugate

25

if the denominator is monomial what do you multiply it by?

itself

26

what does log(AB) transfer to?

logA + logB

27

what does log(A/B) change to?

logA-logB

28

what does log(A^B) change to?

BlogA