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STatiana [176]
3 years ago
8

Sinx(cscx-sinx)=cos^2x

Mathematics
1 answer:
Yuri [45]3 years ago
3 0

\bf sin(x)[csc(x)-sin(x)]~~=~~cos^2(x) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ sin(x)\left[\cfrac{1}{sin(x)}-\cfrac{sin(x)}{1} \right]\implies \underline{sin(x)}\left[\cfrac{1-sin^2(x)}{\underline{sin(x)}} \right] \\\\\\ 1-sin^2(x)\implies cos^2(x)


recall again, sin²(θ) + cos²(θ) = 1.

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(-5,-4) rotated 270° counterclockwise
stepladder [879]

Answer:

(4, - 5 )

Step-by-step explanation:

Under a counterclockwise rotation about the origin of 270°

a point (x, y ) → (- y, x ) , thus

(- 5, - 4 ) → (4, - 5 )

6 0
3 years ago
Find the slope intercept form for the line satisfying the following conditions. Passing through (3,-5) and (5,-9)
Alborosie

Answer:  m = -4 / 2 = -2 / 1 = -2    

Slope (m) = -2

Step-by-step explanation:

5 0
3 years ago
Solve for x: 6(4x+5)=3(x+8)+3 round to nearest hundredth
Hitman42 [59]
Solve for x by simplifying both sides of the equation then isolating teh varible.
your answer = - 1/7
3 0
3 years ago
free 69 points A rectangular prism has a length of 8 meters, a width of 6 meters, and a height of 3 meters. Which equations coul
anyanavicka [17]

Answer:

V = 8 × 6 × 3

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Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
What is 80 in its simplest form as a fraction?
Ann [662]

I believe the correct given problem is:

“What is 80% in its simplest form as a fraction?”

 

Take note that you missed to place the percent sign which is very important.

 

Now to solve this, 80% when converted to decimal form is 0.80 which means that you have 80 parts per 100 parts. Therefore the fraction form of this would be 80 / 100.

fraction = 80 / 100

However this fraction is not yet the answer because we can still simplify this further. First step in simplifying is to divide both the numerator and denominator by 10 so that we are left with:

8 / 10

Next step is to divide by 2:

4 / 5

 

Now we can see that we can no longer divide this (numbers should be whole number). Therefore the simplest form as a fraction is 4/5

 

Answer:

4/5

6 0
3 years ago
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