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Alborosie
3 years ago
12

Can someone please help me with this problem? problem attached. Thank you​

Mathematics
2 answers:
Oduvanchick [21]3 years ago
8 0

Answer:

The expression simplifies to:

= \frac{\tan\theta}{\sin ^2 \theta+\cos ^2 \theta}=\tan\theta}

Step-by-step explanation:

Given trigonometric expression:

\frac{\tan\theta}{\sin ^2 \theta+\cos ^2 \theta}

Using identity :

\sin ^2 \theta+\cos ^2 \theta=1

\frac{\tan\theta}{\sin ^2 \theta+\cos ^2 \theta}

=\frac{\tan\theta}{1}

The expression simplifies to:

= \frac{\tan\theta}{\sin ^2 \theta+\cos ^2 \theta}=\tan\theta}

OleMash [197]3 years ago
5 0
I thin the answer is A
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Look its been a min since I done math the unit selling price &.2.50 rite and the unit costs is $1.00 what is maintained gross margin percentage increase.0.25 be will it be the same selling price

Step-by-step explanation:

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which correctly shows how to use the GCF and the distributive property to find an expression equivalent to 24+44
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I would say it is 4(6+11) that or 72 is the answer
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Find the approximate solution(s) to each of the following equations graphically. Use technology to support your
ser-zykov [4K]

Answer: x" = 5.69

Step-by-step explanation:

The graphic solution is attached.

Verifying the solution:

Existence condition: x > 0

2x - 4 = √x + 5

√x =2x - 4 - 5

√x =2x - 9 (²)

x = (2x - 9)²

x = 4x² - 36x + 81

4x² - 36x - x + 81 = 0

4x² - 37x + 81 = 0

Δ = -37² - 4.4.81 = 1369 - 1296 = 73

x = 37 ±√73/8                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          

x' = 3.55

x" = 5.69

checking:

2*3.55 - 4 = 3.1

√3.55 + 5 = 6.88 Its not the same ∴ 3.55 is not a solution

2*5.69 - 4 = 7.39

√5.69 + 5 = 7.39 ∴ it's the only solution

4 0
3 years ago
If 3 of the Roberts 4 dogs are black, what percent are NOT black
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since 3/4 or 75% ARE black, 1/4 will not be black. 1/4=.25 which is 25%.

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