Question

I'm so confused. Any help would be appreciated. sin(2cos^-1(7/25))

Answer 1

\[\sin (2\cos^{-1}( \frac{ 7 }{ 25 }))\]
Is this the equation?

Answer 2

Yes it is

Answer 3

do you have a scientific calculator?

Answer 4

I do

Answer 5

find the value of the angle then multiply by two...
then sin the value

Answer 6

then just type the whole thing in

cos-1 is shift+cos

Answer 7

don't forget to use parenthesis in the calculator make sure it is in rad or deg...
rad if you are looking for the values in radians and deg for degrees

Answer 8

OK thanks all

Answer 9

btw just for the image since i already uploaded
http://i62.tinypic.com/fuvqbq.png

Answer 10

Thanks Auxuris. Do you get .5376?

Answer 11

yuuup

Answer 12

ok thanks