Answer:
Step-by-step explanation:

![=5\displaystyle\int_{0}^{\pi/6}\tan(2x)dx\\=-\frac{5}{2}\ln\cos(2x)|_{0}^{\pi/6}\\=-\frac{5}{2}[\ln\cos(\pi/3) - \ln\cos(0)]\\](https://tex.z-dn.net/?f=%3D5%5Cdisplaystyle%5Cint_%7B0%7D%5E%7B%5Cpi%2F6%7D%5Ctan%282x%29dx%5C%5C%3D-%5Cfrac%7B5%7D%7B2%7D%5Cln%5Ccos%282x%29%7C_%7B0%7D%5E%7B%5Cpi%2F6%7D%5C%5C%3D-%5Cfrac%7B5%7D%7B2%7D%5B%5Cln%5Ccos%28%5Cpi%2F3%29%20-%20%5Cln%5Ccos%280%29%5D%5C%5C)

Answer:
I would think neither after graphing it. Sorry if i'm wrong.
Step-by-step explanation:
Answer:
The cost is $322.88.
Step-by-step explanation:
18% off the list price of $375
Before the sales tax, you pay 100% - 18% = 82% = 0.82 of 375, so:
0.82*375 = 307.5
5% sales tax:
100% + 5% = 105% = 1.05 of 307.5. So
307.5*1.05 = 322.88
The cost is $322.88.
Answer:
2,100 sec
Step-by-step explanation: