Find all angles in [0°, 360°) that satisfy the equation.cos 3? = 0
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Decide whether the given number is a solution of the given equation. Is -20 a solution of 20 + x = 0 ?
A. Yes B. No
Mathematics
Solve the problem.In a transformer, an electric current in one coil of wire induces a current in a second coil. For a transformer, 
= 
where i is the current and t is the number of windings in each coil. In a neon sign amplifier, i1 = 1.6 A and the turns ratio 
= 150. Find i2 rounded to four decimal places, if necessary.
A. 94 A B. 240 A C. 0.0107 A D. 1.0667 A
Mathematics
Match the function with its graph.
A)B)
C)D)
A. 1B, 2D, 3C, 4A B. 1A, 2B, 3C, 4D C. 1A, 2D, 3C, 4B D. 1A, 2C, 3D, 4B
Mathematics
Write the number as an improper fraction.17
A. 
B. 39
C. 374
D. 
Mathematics