Simplify the expression.72 - 4 ? 4

A. 84
B. 36
C. 180
D. 33


Answer: D

Mathematics

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A. 0 B. 1 C. -2 D. -1

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A.
B.  
C.  
D.  

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Perform the indicated operation.  - 

A.
B.
C.
D.

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Verify the identity.cos  =  cos ? -  sin ?

What will be an ideal response?

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