Question

1) To the nearest whole degree what angle measure has a sine of 0.9762?

2) To the nearest whole degree what angle measure has a cosine of 0.6725?

3) If sin x= 0.5, What is the value of cos x? Round to nearest thousandth.

Answer 1

@imcluelessimsosorrylolhiiiiiii you need a calculator for these.
Use the \(sin^{-1}\) and \(cos^{-1}\) buttons

Answer 2

And in addition remember SOH CAH TOA.

Answer 3

Refer to the Mathematica attachment.