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3 years ago

9

10 points I need some help with this answer

1 answer:

maxonik [38]3 years ago

5 0

Answer:

180

180

50 + 31 = 81

180

<3 = 130

equal

Step-by-step explanation:

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TRIGONOMETRY , can you solve this plz:(<br>even if you know one of them,plz help:)

daser333 [38]

Answer:

See below

Step-by-step explanation:

$\frac{1}{1-cos A} - \frac{1}{1+cos A} =2 cosec A cot A \\ \\ L. H. S.= \frac{1}{1-cos A} - \frac{1}{1+cos A} \\ \\ = \frac{1+cos A - (1 - cos A)}{(1-cos A)(1+cos A)}\\ \\ = \frac{1+cos A - 1 + cos A}{1-cos^{2} A}\\ \\ = \frac{2cos A }{sin^{2} A}\\ \\ =2 .\frac{1}{sin A}.\frac{cos A }{sin A}.\\ \\ = 2.cosec \: A.cot \: A \\ \\ = R.H.S$

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2 years ago

What is the distance on the unit circle between successive fourth roots of StartFraction StartRoot 3 EndRoot Over 2 EndFraction

Tems11 [23]

Answer:

It's not 2pi/3 so my next guess would be pi/3 but im not sure

Step-by-step explanation:

6 0

2 years ago

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What is the value of x in the triangles to the right?<br> A. 9<br> B. 12<br> C. 15<br> D. 17.5

Gnom [1K]

The answer for this is B

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2 years ago

The distance between Atlanta Georgia and Denver Colorado Is 1398 miles. That is twice the distance between Atlanta and Detroit M

Juliette [100K]

Multiply 1398 by 2 and you’ll get your answer

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2 years ago

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suppose there are 12 year,14 year,and 16 year cicadas that all appear this yest.after how many years will all three types of cic

nasty-shy [4]

We have to find LCM of 12,14,16

Refer to the attachment

LCM=2×2×2×2×3×7=16×21=336years

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2 years ago