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Lerok [7]
2 years ago
10

Simplify Sinx + cosx/ cos²x - sin²x​

Mathematics
1 answer:
bonufazy [111]2 years ago
3 0

\dfrac{\sin x + \cos x}{\cos^2 x - \sin^2 x}\\ \\\\=\dfrac{\sin x + \cos x}{(\cos x + \sin x )\\\\(\cos x - \sin  x)}\\\\\\=\dfrac{1}{\cos x - \sin x}

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Artist 52 [7]

Answer:

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Step-by-step explanation:

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3 years ago
Read 2 more answers
Alan needs to read 4 novels each month Let N be the number of novels Alan needs to read in M months. Write an equation relating
MaRussiya [10]

Answer:

T=N*M and he needs to read 44 books.

Step-by-step explanation:

Note: Let T represent the total amount of books that Alan needs to read in 11 months.

If we plug in the information we have been given we will find the total:

T=N*M

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Alan has to read 44 books within a 11 month period.

Please consider giving a thanks, a good rating, and Brainliest. It is always greatly appreciated! Thanks!

6 0
3 years ago
Sandy scored 4 goals and Matt scored 6. How many goals did they score between them?
malfutka [58]

Answer:

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Step-by-step explanation:


3 0
3 years ago
X - y= -4 -2x +3y =6
STatiana [176]

Answer:

<em><u>x=-6, y=-2</u></em>, (As a point) (-6, -2).....The point form is not necessary unless you want to solve the system (of equations) by graphing.

Step-by-step explanation:

By substitution:

x-y=-4    By adding y on both sides,

x=y-4

Now you can substitute x for the expression (y-4)

Plug the (y-4) as x in the other equation.

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Now solve:

-2(y-4)+3y=6 distributes out to be

-2y+8+3y=6     Now combining like terms

y+8=6              Subtract 8 on both sides to isolate the variable

<u><em>y=-2</em></u>

Now plug the value -2 in where the y is in any equation (preferably the easier/less complicated one) and solve for x.

So x-y=-4 becomes

x-(-2)=-4

=x+2=-4

=<u><em>x=-6</em></u>

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3 years ago
How did Spain and Portugal maintain control of their Latin American domains?
ioda
<span>through a rigid class structure: viceroys/colonial officers, Creoles, mestizos</span>
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