Complete the identity.sin (2?) tan ? + cos (2?) = ?

A. cos (3?)
B. 1
C. sec (2?)
D. 2 cos (2?)


Answer: B

Mathematics

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A. 6 ft B. 600 ft C. 0.6 ft D. 60 ft

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Determine whether the scatter diagram indicates that a linear relation may exist between the two variables. If a linear relation does exist, indicate whether the slope is positive or negative.

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Solve the triangle with the given parts.

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Mathematics