Use a power-reducing identity to find the exact value of the expression.sin2 (105°)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the exact value without using a calculator. cos 2?
A. 0
B. 
C. -1
D. 1
Mathematics
Identify the numbers from the given list that belong to the indicated set. 12, 
, -22, 0, 
, - 
, 1.8, 
Whole numbers
A. 12, -22, 0
B. 12, 0, 
C. 12, -22, 0, 
D. 12, 0
Mathematics
Provide an appropriate response.Find the value(s) of x for which f(x) = 
is discontinuous.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the equation.42 = n ÷ 11
A. 462 B. 5082 C. 110 D. 451
Mathematics