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gregori [183]
3 years ago
7

Sec(x)+ cosec(x) = 1 then find sin2(x)​

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
7 0

<u>Given,</u>

sin x + cosec x = 2

sin x + (1/sin x) = 2

(sin2x + 1)/sin x = 2

sin2x + 1 = 2 sin x

sin2x – 2 sin x + 1 = 0

(sin x – 1)2 = 0

sin x – 1 = 0

<u>sin x = 1</u>

cosec x = 1/sin x = 1

sinnx + \sf{cosec^n}x = (1)n + (1)n

= 1 + 1

= 2

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Step-by-step explanation:

1270 + 2200+2500 ÷3

1270 + 2200 + 2500 \div 3

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3 years ago
What's the slope and y-intercept of the equation 3x + 4y = 8?
Anna71 [15]

Answer:

Slope = -3/4

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Step-by-step explanation:

3x+4y = 8\\\therefore 4y = -3x +8\\\therefore y = \frac{-3}{4}x+ \frac{8}{4}\\\therefore y = \frac{-3}{4}x+2\\Equating \: it \: with\: \\y=mx+b\\Slope\:(m) = \frac{-3}{4}\\y-intercept\:(b) = 2

6 0
3 years ago
Read 2 more answers
three friends go to a book fair . alvin speends 2.60 . prabhjot spends 4 times as much as alvin . stephanie spends 3.45 less the
blsea [12.9K]

Answer:

6.95

Step-by-step explanation:

to find how much stephanie spends for first we will find how much probhjot spends and then subtract 3.45 dollars from that value alvin spends 2.60 dollars

prohbjot spends 4 times as much as alvin or

4× 2.60=10.4

so prohbjot spends 10.4 dollars

stephanie spends3.45 dollars less than prohbjot or

10.4 -3.45 =6.95

so stephanie spends <u>6.95 </u>dollars

7 0
3 years ago
Naomi pays $1.50 each time she rides the city bus. She has already ridden the bus 18 times so far this year. The expression repr
klio [65]

Answer:

$27

Step-by-step explanation:

18 times $1.50 = 27 dollars a year

5 0
3 years ago
Betty sets up a lemonade stand and charges $1 per glass. It cost her $50 to set up the stand. Which function gives the profit, p
Talja [164]

Answer:

The correct result would be f(g) = g * $1 - $50.

Step-by-step explanation:

If you would like to find the function that gives the profit Betty makes by selling a number of glasses of lemonade, you can find this using the following steps:

p ... profit

g ... glasses of lemonade

f(g) = p = g * $1 - $50

Read more on Brainly.com - brainly.com/question/1638432#readmore

6 0
3 years ago
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