In the first generation there are 4 monkeys on an island. Every generation after that the monkey population doubles. In generati
on 2 there are 8 monkeys, in generation 3 there are 16 monkeys, and so on. Which explicit formula can be used to find the number of monkeys in the nth generation?
1 answer:
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ANSWER
EXPLANATION
The given angle is 870°.
870°-360°-360°=150°
This means that:
870° is coterminal with 150°, hence its terminal side is in the second quadrant.
It makes an acute angle of 30° with the x-axis.
Note that cotangent is negative in the second quadrant,
Hence,
The first option is correct.