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mafiozo [28]
3 years ago
13

Prove that:(cosecA-sinA)(secA-cosA)(tanA+cotA)=1

Mathematics
1 answer:
dedylja [7]3 years ago
4 0

Answer:

.............................

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Given f(x)=x^2+5 and g(x)=2x^3-1 find (f/g)(-3)
AlekseyPX

For this case we have the following functions:

f (x) = x ^ 2 + 5\\g (x) = 2x ^ 3-1

By definition of composition of functions we have:

(f / g) (x) = \frac {f (x)} {g (x)}

Then substituting:

f (-3) = (- 3) ^ 2 + 5 = 9 + 5 = 14\\g (-3) = 2 (-3) ^ 3-1 = 2 (-27) -1 = -54-1 = -55

So:

(f / g) (- 3) = \frac {14} {- 55} = - 0.25

Answer:

(f / g) (- 3) = \frac {14} {- 55} = - 0.25

7 0
3 years ago
Dan makes a pineapple sorbet. He uses 3 lemons. Work out how many people he makes pineapple sorbet for.
seropon [69]

Answer:

N/A

Step-by-step explanation:

There is not enough information to answer with a number.


6 0
3 years ago
Hannah has 127 books in her collection. Her school is hosting a book donation. There are z students at her school, and they each
IgorC [24]
She has to donate 46 more 127 x 2 +n=300 You have to add 127 twice, which gives you 254. Then you subtract that from 300.
6 0
3 years ago
What is the opposite of -8? :D
VMariaS [17]
<h3>The answer is:</h3><h2>8</h2><h2 />

We know that the opposite of 8 is -8. So the opposite of -8 is 8.

You can look a number line if you are still confused!

8 0
3 years ago
Read 2 more answers
I need help with this question please
Shtirlitz [24]

Answer: 6 goes on 6/// 83 goes on 9///// 40goes on 6///// 64 goes on8///and the 7.5 will go between 7 and 8

Step-by-step explanation:

go onto a calculator and type in the number and decide it by the square root

3 0
3 years ago
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