8/9 - 1/3 =
8/9 - 3/9 = 5/9
Answer:
Below.
Step-by-step explanation:
- tan 2x = -2tanx / (1 - tan^2x)
Using the identity tan^2x = sec^2x - 1 and substituting for tan^2x:
- tan 2x = -2 tanx / (1 - (sec^2x - 1))
= 2 tanx / ( - 1(sec^2x + 2))
= 2 tan x / (sec^2 x - 2)
Answer:
1,560$
Step-by-step explanation:
200 on first 5000$
400 on second 5000$
960 on remaining 8000$
= 1560 total