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lbvjy [14]
3 years ago
8

True or false. For a trigonometric function, y=f(x) then x=F-1(y). Explain your answer.

Mathematics
2 answers:
attashe74 [19]3 years ago
5 0

Answer:

The statement is false as it depends on the domain

Step-by-step explanation:

We are given the statement,

For a trigonometric function y=f(x) implies x=f^{-1}(y).

<em>This statement is not always true.</em>

For example,

The function y=\sin x is one-one and onto in the domain [-\frac{\pi}{2},\frac{\pi}{2}].

Thus, its inverse exists in [-\frac{\pi}{2},\frac{\pi}{2}].

That is, in [-\frac{\pi}{2},\frac{\pi}{2}], y=\sin x implies x=\sin^{-1}(y).

Hence, we see that,

<em>It depends on the domain for the given statement to be true.</em>

Thus, the statement is false.

sergejj [24]3 years ago
3 0
False if y=f(x) then x= inverse of f(x) or f^-1(x)
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23% of 75 is what number?
Nonamiya [84]

Answer:

17.25 or 69/4 as a fraction

Step-by-step explanation:

use the desmos scientific calculator :) hope this helped

5 0
3 years ago
25 points, look at the picture.
attashe74 [19]

Answer:

1080

Step-by-step explanation:

PEMDAS says multiply and divide from left to right

9*5*6*3÷3*4*6÷6

45*6*3÷3*4*6÷6

270*3÷3*4*6÷6

810÷3*4*6÷6

270*4*6÷6

1080*6÷6

6480÷6

1080

6 0
3 years ago
How would I answer this question? Can someone please help me, and explain why. Thank you.
Serjik [45]
Can you tell me what you need help because it doesn't says
4 0
3 years ago
so on khan academy we have this question and it makes NO SINCE! it says "start with the number 2380. divide by 10. the number wi
grigory [225]

Answer:

B) Hundreds

Step-by-step explanation:

<em>2380 ÷ 10 = 238</em>

The number 238 is in the hundreds as the first digit is in the hundreds. You can tell because you say "two hundred."

Hope this helps

7 0
3 years ago
Lee watches tv 3hours per day. Lee tv consumes 200 watts when on. Electricity cost 12 cents 1 kilowatt-hour how much does Lee's
Alik [6]

Answer: $2.16

Lee watches TV 3 hours per day and TV consumes 200 watts.

Cost of electricity = 12 cents/(1-kilowatt-hour)

200w×3 hours

600 watt-hours

1000 watt-hours=1kwh

1 watt-hours= 1/1000 kwh

600 watt-hours 600/1000=0.6 kwh

0.6×12=7.2cents

1 day=7.2 cents

30 days

7.2×30

216 cents

$2.16

3 0
3 years ago
Read 2 more answers
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