Complete the identity.
= ?
A. tan 5x + tan 11x
B. 2 tan 8x tan 3x
C. tan 8x
D. tan 8x cot 3x
Answer: C
Mathematics
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Solve the problem.A golden rectangle has a longer side of length 1000 ft. Which of the following numbers most closely represents the length of the shorter side of the rectangle?
A. 16.18 ft B. 618 ft C. 500 ft D. 1618 ft E. none of these
Mathematics
Provide an appropriate response.Find the area of the triangle as shown. Round the answer to four significant digits. 
A. 145.3 m2 B. 320.0 m2 C. 36.32 m2 D. 137.2 m2
Mathematics
Determine the correct exponential function of the form f(x) = bx whose graph is given.
A. f(x) = 64x
B. f(x) = 
x
C. f(x) = 
x
D. f(x) = 4x
Mathematics
Convert the given product to a single radical. Assume that all variables represent positive numbers.
A. ab 
B. ab 
C. 
D. 
Mathematics