What is the product of 4 cos 14 (cos(37) + i sin (34) and 2 (cos(5) + sin(5)}?
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Answer:
C)
Step-by-step explanation:
Use the Angle Addition Postulate to figure this out:
165° = (x + 15)° + (9x)°
165° = (15 + 10x)°
- 15° - 15°
_____________
[Plug this back into the modeled expression for the
to get the angle measure of 30°];
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