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;
A weather reporter in your area said that the speed of sound in air today is about 1100 ft./s what is the speed in scientific no
1 answer:
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1: 5,800
2: 112.5 (total weight, divide by 2, subtract 17 lb)
5: .8 (4 divided by 5)
6:
7: 1,728
9: 9 inches
10: 1.2
Sorry I couldn't give you all of them :(
2: 112.5 (total weight, divide by 2, subtract 17 lb)
5: .8 (4 divided by 5)
6:
7: 1,728
9: 9 inches
10: 1.2
Sorry I couldn't give you all of them :(