Math I need to know

(x^a)(x^b)

x^(a + b)

(x^a)/(x^b)

X^ (a-b)

(x^a)^b

X^(AxB)

(x/y)^a

x^a/y^a

x^-a

1/x^a

sin(0)

0

sin(30)

1/2

sin(45)

?2/2

sin(60)

?3/2

sin(90)

1

sin(180�)

0

cos(0)

1

cos(30)

?3/2

cos(45)

?2/2

cos (60)

1/2

cos(90)

0

cos(180)

- 1

tan(0)

0

tan(30)

?3/3

tan(45)

1

tan(60)

?3

tan(90)

undefined

tan(180)

0

log x =

ln x / 2.303