Answer:
I think 10
Step-by-step explanation:
I believe it's<span> 8cos(x)⁸ - 16cos(x)⁶ + 10cos(x)⁴ - 2cos(x)².
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Alternately, you can write [</span><span><span>1 / (tan(2x) - cot(2x))] + [cos(8x) / (tan(2x) - cot(2x))].
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49/-7 and -21/3 are the only two equivalent to -7
Average speed = total distances / total time
3115.8 / 7.2 = 432.75 mi/h
Answer:
2n-8
Step-by-step explanation:
twice n is 2n. decreased by 8 is the -8