Find the exact value of the expression. Do not use a calculator.1 + sin2 45° + sin2 45°
A. -1
B. 0
C. 1
D. 2
Answer: D
Mathematics
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Solve. y2 + 2y = 15
A. -3, -5 B. 5, -3 C. 3, 5 D. 3, -5
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.ln y-z
A. y ln z B. -z ln y C. z ln y D. -y ln z
Mathematics
Find the product.(x - 4i)(x + 4i)
A. x2 - 16 B. x2 - 8x - 16 C. x2 + 8x + 16 D. x2 + 16
Mathematics
Write the shaded area in the figure as a mixed number.
A. 
B. 
C. 
D. 
Mathematics