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

Question 417

Multiple Choice

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


A) 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°. A) B) C) D)
B) 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°. A) B) C) D)
C) 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°. A) B) C) D)
D) 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°. A) B) C) D)

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