Answer:
1:2 all you have to do is simplify
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Since
and
, we can rewrite the right side of the equation as

Using the identity
, we can subtract
from either side to obtain the identity 
substituting that into our previous expression, the right side of our equation simply becomes

We can now write our whole equation as

Adding 2 to both sides:

dividing both sides by 3:


When 0 ≤ x ≤ π, tan x can only be equal to 1 when sin x = cos x, which happens at x = π/4, and it can only be equal to -1 when -sin x = cos x, which happens at x = 3π/4
Her tax is $3198.
3.9/100=0.039.
0.039*8200=$3198.
Put the 116 on top of 200 and simplify. You will need to simplify by 4 which will get you 29 over 50.