Solve the equation. Find the exact solution.


Mathematics

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Write the complex number in trigonometric form r(cos ? + i sin ?), with ? in the interval [0°, 360°).9 + 9i

A. 9(cos 135° + i sin 135°)
B. 9(cos 45° + i sin 45°)
C. 9(cos 225° + i sin 225°)
D. 9(cos 315° + i sin 315°)

Mathematics

Add. Do not use a number line except as a check.-9.3 + 5.1

A. -14.4 B. 14.4 C. -4.2 D. 4.2

Mathematics

Graph the function by starting with a function from the library of functions and then using the techniques of shifting, compressing, stretching, and/or reflecting.g(x) = 

A.

B.

C.

D.

Mathematics

Without graphing the function, determine its amplitude or period as requested.y = sin 5xFind the period.

A.
B. 5
C. 1
D. 2?

Mathematics