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Minchanka [31]
3 years ago
12

Tan y+cot y= sec y x csc y prove the identity (y is the variable)

Mathematics
1 answer:
adell [148]3 years ago
3 0

Answer:

Step-by-step explanation:

tany+coty =

\frac{siny}{cosy} + \frac{cosy}{siny}·

\frac{sin^{2}y + cos^{2}y  }{cosysiny}

\frac{1}{cosysiny}

(secy) (cscy)

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The amount of Jen’s monthly phone bill is normally
vredina [299]

Answer:

P(19

And we can find this probability with this difference and using the normal standard distribution

P(-3

Step-by-step explanation:

Let X the random variable that represent the amount of Jen monthly phone of a population, and for this case we know the distribution for X is given by:

X \sim N(55,12)  

Where \mu=55 and \sigma=12

We are interested on this probability

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And we can use the z score formula given by:

z=\frac{x-\mu}{\sigma}

Replacing the info we got:

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7 0
4 years ago
Compare the decimal form of 2/5 and 4/9
aniked [119]

Step-by-step explanation:

they are equal equally.

7 0
3 years ago
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WILL GIVE BRAINIEST FOR CORRECT ANSWER
lapo4ka [179]

If the center of dilation is A, this means that point A is invariant.

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7 0
2 years ago
What is the quotient of 99 divided by 9081
Artist 52 [7]

Hello from MrBillDoesMath!

Answer:

11/ 1009   (.0109 approximately)

Discussion:

99/9081 =                               => as 9081 = 9 * 1009 = 3 * 3 * 1009

99/ ( 3 * 3 * 1009)  =

(99/(3*3)) * (1/1009) =

(99/9)  * (1/1009)  =

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MrB

6 0
3 years ago
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xxTIMURxx [149]

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Answer:

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The angle measures are 36°, 54°, and 90°.

6 0
3 years ago
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