Complete the identity.sin 2x - tan x = ?
A. tan x cos 2x
B. -tan x cos x
C. cot x cos 2x
D. -tan x cos 2x
Answer: A
Mathematics
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Convert the length as indicated.5.1 miles to feet
A. 748.00 ft B. 26,928 ft C. 8976 ft D. 2244 ft
Mathematics
Write the equation of the line using the information given about its graph.Rate of change 9, y = - 
when x = 0
A. y = - 
x - 9
B. y = - 
x + 9
C. y = 9x - 
D. y = 9x + 
Mathematics
Use the result ei? = cos ? + i sin ? to plot the complex number.2e(?i)/2
A. 
B. 
C. 
D. 
Mathematics
For the quadratic function, find the maximum or minimum function value.f(x) = 
x2 + 4x + 
A. Minimum: 
B. Minimum: -4
C. Minimum: -2
D. Minimum: - 
Mathematics