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3 years ago

QUICK HELP HURRY MAKRIMG PIEPLE AS BRIANLDIT

Mathematics

2 answers:

tekilochka [14]3 years ago

7 0

Answer:

Step-by-step explanation:

ruslelena [56]3 years ago

6 0

Answer:

Step-by-step explanation:

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Find all zeros of 2x4 - 5x3 + 53x2 - 125x + 75=0

ser-zykov [4K]

Retire zero la bour li dan trou fess to pu ggnr bon

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4 years ago

Cos (90-theta) • cosec90-theta) =tano. How?

denis-greek [22]

Answer:

______________________________________________________

TRIGONOMETRY IDENTITIES TO BE USED IN THE QUESTION :-

For any right angled triangle with one angle α ,

$\cos (90 - \alpha ) = \sin \alpha$ or $\sin(90 - \alpha ) = \cos\alpha$

$cosec \: (90 - \alpha ) = \sec\alpha$ or $\sec(90 - \alpha ) = cosec\:\alpha$

SOME GENERAL TRIGNOMETRIC FORMULAS :-

$\sin \alpha = \frac{1}{cosec \: \alpha }$ or $cosec \: \alpha = \frac{1}{\sin \alpha }$

$\cos \alpha = \frac{1}{\sec \alpha }$ or $\sec \alpha = \frac{1}{\cos \alpha }$

______________________________________________________

Now , lets come to the question.

In a right angled triangle , let one angle be α (in place of theta) .

So , lets solve L.H.S.

$\cos (90 - \alpha ) \times cosec(90 - \alpha )$

$=> sin\alpha \times \sec\alpha$

$=> \sin\alpha \times \frac{1}{\cos\alpha }$

$=> \frac{\sin\alpha }{\cos\alpha }$

$=> \tan\alpha$ = R.H.S.

∴ L.H.S. = R.H.S. (Proved)

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3 years ago

Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store so

Artemon [7]

Answer is b 150p(250-p)150p(250-p

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3 years ago

The parallelogram shown represents a map of the boundaries of a natural preserve. Walking trails run from points A to C and from

Citrus2011 [14]

y+2 = 3y-4 =

y+6 = 3y

6 =2y

y = 3

y+2 = 3+2 = 5

3y-4 = 3(3)-4 = 5

5+5 =10

2y-3 = 2(3) - 3 = 3

3+3 = 6

10+6 = 16 miles

answer is C

4 0

4 years ago

Read 2 more answers

-7 x (4+8) = ?? Please a aswer?

Colt1911 [192]

The answer would be -84.

Here are the steps I did.

1. Simplify 4 + 8 to 12 ( -7 * 12 )

2. Now lastly simplify and u get -84.

5 0

3 years ago

Read 2 more answers