3 years ago

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

1 answer:

6 0

Use the formula:
$\sin^2 x + \cos^2 x = 1$
$\sin^2 x + (0.34)^2 = 1$
$\sin^2 x = 1-0.34^2 = 0.8844$
$\sin x =\pm 0.9404$

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