Use a half-angle identity to find an exact value for the following, given the information about x.
-Find cos , given that sin and 360°

Name: Use a half-angle identity to find an exact value for the following, given the information about x. -Find cos , given that sin and 360° < x < 450°.
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Question

Use a half-angle identity to find an exact value for the following, given the information about x.
-Find cos  , given that sin  and 360° < x < 450°.

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The Answer of Use a half-angle identity to find an exact value for the following, given the information about x.
-Find cos  , given that sin  and 360° < x < 450°.

Use a Half-Angle Identity to Find an Exact Value for the Following