Question

Rewrite cos(arcsinx) in terms of x

Answer 1

x = sin(pi/3-arcsinx) ??

Answer 2

or here this better explains it.

Answer 3

http://math.stackexchange.com/questions/345077/cos-arcsinx-sqrt1-x2-how

Answer 4

I came to an answer of square root 1 - x^2. What do you think?

Answer 5

Thank you for a link, i will check it out

Answer 6

Yes!

Answer 7

Correct. It is because of the cos^2 +sin ^2 =1 identity

Answer 8

cos^2 +sin ^2 =1 so cos=sqrt(1-sin^2)
because of this cos(arcsinx)=sqrt(1-sin(arcsinx)^2)

Answer 9

which is what u got sqrt(1-x^2)

Answer 10

How do I give you a good rating, i.e. medal or whatever?

Answer 11

Whatever you'd like haha