3 years ago

1. please help me and i’ll give brainliest if it’s right

Mathematics

1 answer:

baherus [9]3 years ago

5 0

Answer:

Step-by-step explanation:

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Prove that 1/1+sinA -1/1+sinA =2tanAsinA

enyata [817]

Step-by-step explanation:

$\frac{1}{1 + \sin( \alpha ) } \frac{1}{1 - \sin( \alpha ) } \\ \frac{1 - \sin( \alpha ) + 1 + \sin( \alpha ) }{(1 + \sin( \alpha ))(1 - \sin( \alpha )) } \\ = \frac{2}{1 - {sin}^{2} \alpha } \\ \frac{2}{ {cos}^{2} \alpha } = 2 \: {sec}^{2} \alpha$

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2 years ago

What is 9999 times 886 + 234

barxatty [35]

9999*886+234

(9999*886)+234

= 8859114+234

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I hope that's help !

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3 years ago

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A 10-ft-long slide is attached to a deck that is 5 ft high. Find the distance from the bottom of the deck to the bottom of the s

drek231 [11]

Using Pythagorean theorem, the answer should be 8.7ft

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3 years ago

U(8, 9) and V(2, 5) are the endpoints of a line segment. What is the midpoint M of that line segment?

Crazy boy [7]

Answer:

(5, 7 )

Step-by-step explanation:

Given 2 points (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is

[ 0.5(x₁ + x₂ ), 0.5(y₁ + y₂ ) ]

here (x₁, y₁ ) = U(8, 9) and (x₂, y₂ ) = V(2, 5), thus

midpoint = [0.5(8 + 2), 0.5(9 + 5) ] = [0.5(10), 0.5(14) ] = (5, 7 )

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3 years ago

What's the range of the function y= -2(2)^x+2

Aleksandr [31]

Answer:

Step-by-step explanation:

Simply substitute the x and y values into the equation, Infinity is a number that gets closer & closer to zero and the y-intercept is always 2.

Infinity is a number that gets closer & closer to zero and the y-intercept is always 2.

y=-2(2)(-infity)+2

y=2

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2 years ago