Exercise: General Principles

Questions for: General Principles


Using the basic trigonomic functions, determine the length of side AB of the right triangle.
A:
h = 7.07
B:
h = 10
C:
h = 5
D:
h = 14.14
Answer: A
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Solve the following equation for the two roots of x:   x2 — 16 = 0
A:
x = 2i,   –2i
B:
x = 4i,   –4i
C:
x = 4,   –4
D:
x = 2,   –2
Answer: C
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