Question

If cos x = .34, what is sin x?

Answer 1

use the formula:

`\sin^2 x +  \cos^2 x = 1`

`\sin^2 x  + (0.34)^2 = 1`

`\sin^2 x = 1-0.34^2  = 0.8844`

`\sin x =\pm 0.9404`