Express the complex number in trigonometric form.- 3 + 3
i Express your answer in radians.
A. 3
B. 6
C. 3
D. 6
Answer: B
Mathematics
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Solve the problem.Two angles of a triangle are 48° and 109°. Find the third angle.
A. 23° B. 157° C. 67° D. 203°
Mathematics
Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions. Foci at (
, 0), (-
, 0); asymptotes y = 5x, y = -5x
A. x2 - 
= 1
B. 
- y2 = 1
C. 
- x2 = 1
D. y2 - 
= 1
Mathematics
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
- 
D. 
Mathematics
Identify ? and ? in the following expression which is the right side of the formula for cos (? - ?).cos (155°) cos (35°) + sin (155°) sin (35°)
A. ? = 35°, ? = 155° B. ? = 155°, ? = 35° C. ? = - 35°, ? = 155° D. ? = -155°, ? = 35°
Mathematics