If 3 sin alpha + 2 cos beta = 3.5, find out 2 sin beta - 3 cos alpha.
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In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. The rejection ratio at 25 MHz will be .
A. 1.116
B. 1.386
C. 2.116
D. 2.386
Step-by-step explanation:
d
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