Solve the exponential equation algebraically. Approximate the result to three decimal places.

a.

b.

c.

d.


b.

Mathematics

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Use the given information to find the quadrant in which ? lies.csc ? > 0 and sec ? > 0

A. Quadrant I B. Quadrant III C. Quadrant IV D. Quadrant II

Mathematics

Decide whether the statement is true or false. = 1

A. True B. False

Mathematics

Write the number in trigonometric form. Let 0° ? ? < 360°.5 + 5i

A. 5(cos 45° + i sin 45°)
B. 5(cos 225° + i sin 225°)
C. 5(cos 135° + i sin 135°)
D. 5(cos 315° + i sin 315°)

Mathematics

The graph of a function f is given. Use the graph to answer the question.Is f(40) positive or negative?

A. positive B. negative

Mathematics