Find the exact value of the expression. Do not use a calculator.tan 
- cos 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the product.(x - 4i)(x + 4i)
A. x2 - 16 B. x2 - 8x - 16 C. x2 + 8x + 16 D. x2 + 16
Mathematics
Graph the linear equation.y + 4 = 0
A. 
B. 
C. 
D. 
Mathematics
Answer the question.Is 
= 
a true statement? Explain your answer by simplifying the expression on the left, step by step, until it is an expression with only positive exponents that cannot be further simplified.4
What will be an ideal response?
Mathematics
Find the product AB.A = [ 2 4 4], B = 
A. 
B. 
C. 
D. [6 -2 14]
Mathematics