Question

lim sin2x/sinx
x--->0

Answer 1

well us the substitution

sin(2x) = 2sin(x)cos(x)

then see what happens...

Answer 2

that's an identity ? never knew that.

Answer 3

ok.... its a double angle identity

Answer 4

okay i got it is 2, thanks! ;D

Answer 5

is the question

1.

\[\frac{\sin(2x)}{\sin(x)}\]

or

2.

\[\frac{\sin^2(x)}{\sin(x)}\]

Answer 6

1 lol

Answer 7

i know how to make an exponent lol

Answer 8

ok...

Answer 9

thank you though you helped me

Answer 10

how about sin4x/sin3x ?is there an identity for that lol