Use identities to find the exact value of the indicated trigonometric function of the acute angle ?.sin ? = 
, cos ? = 
Find tan ?.
A. 
B. 
C. 4
D. 
Answer: D
Mathematics
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Solve the problem.Evaluate 
at t = 9 for the function w(x, y, z) = exyz2; x = t, y = t, z = 
.
A. 
B. 
e
C. 0
D. - 
e
Mathematics
Determine whether the sequence of vertices is i) a walk, ii) a path, iii) a circuit in the given graph.
I ? L ? K ? J ? I
A. Walk only B. Walk, path, and circuit C. Walk and path D. None of these
Mathematics
Match the function with its graph.1) y = sec x 2) y = csc x3) y = -sec x 4) y = -csc xA) B)
C)D)
A. 1A, 2B, 3C, 4D B. 1A, 2D, 3C, 4B C. 1C, 2A, 3B, 4D D. 1B, 2D, 3C, 4A
Mathematics
Determine whether the relation defines y as a function of x. Give the domain.2x = 5 - 5y
A. Function; domain: all integers B. Function; domain: (-?, ?) C. Not a function; domain: all whole numbers D. Not a function; domain: (-?, ?)
Mathematics