We have:

Then we use trigonometric identities to change the negative sign of the trigonometric functions, so:

We clear f(x):

we simply what we can:

Thus, the correct answer is;
I think the answer is the third one, but idk.
Its letter b can u please help me in my question
Answer:
6.4
Step-by-step explanation:
Box like a fish Box like a fish Nemo in my box, I found Nemo, Litteraly free, freer than a costco sample, public restroom, and dollor off cupon at Dollor store, Dog water
Answer:
the question is not complete pls complete the question even though the formulas are lxb for rectangles area and SxS for squares area