Answer:
go to the doctor
Step-by-step explanation:
Answer is 68x bud thanks for lettting me ANWSER
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;
Answer:
x = 2 because 5 times 2 = 10 and 10 - 2 = 8
Step-by-step explanation: