Complete the identity.
= ?
A. cos2 ?
B. sin ? - 1
C. sin ?
D. sin ? + 1
Answer: B
Mathematics
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Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 3
Mathematics
Find the exact value by using a sum or difference identity.tan 
A. -2 - 
B. 2 + 
C. 
D. 
Mathematics
The typical organizational response to overdiversification is
A. anchoring. B. termination of executives. C. divestiture. D. retrenchment.
Mathematics
Use estimation to determine which calculation is incorrect.
A. 
B. 
C. 
D. 
Mathematics