Use the Half-angle Formulas to find the exact value of the trigonometric function. tan 75°
A. 2 + 
B. -2 - 
C. 2 - 
D. -2 + 
Answer: A
Mathematics
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Determine the symmetries of the curve.r = 3?
A. x-axis only B. y-axis only C. x-axis, y-axis, origin D. No symmetry
Mathematics
Find the average value of 
over the given region.
over the cube in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 64
B. 
C. 
D. 
Mathematics
Express the number in standard notation.8.06 × 104
A. 322.4 B. 806,000 C. 8060 D. 80,600
Mathematics
For the verbal description of a function, write a formula for f.Function f multiplies the input x by 4 and then adds 7 to the result to obtain the output y.
A. f(x) = 4x + 7 B. f(x) = 7x - 4 C. f(x) = 4x - 7 D. f(x) = 7x + 4
Mathematics