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3 years ago

Umm I how do u do algebra ?

Mathematics

2 answers:

Alika [10]3 years ago

8 0

$Solving \ an \ equation \ means \ finding \ a \ value \ of \ a \ variable$ $that \ make \ the \ equation \ true.$

<span> $Each \ sides \ of \ the \ equation \ should \ be \ equal \ at \ all \ times.

$ </span><span> $Whatever \ we \ do \ to \ one \ side, has \ to \ be \ done \ on \ the \ opposite \ side.$ </span>

snow_lady [41]3 years ago

3 0

It depends on what type of algebra. There are many types of algebra. Be more specific about that question.

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Answer:

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2 years ago

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2 years ago

Verify the identity. 4 csc 2x = 2 csc2x tan x

vlada-n [284]

Step-by-step explanation:

$4csc(2x) = 2csc^2(x) tan(x)$

We start with Left hand side

We know that csc(x) = 1/ sin(x)

So csc(2x) is replaced by 1/sin(2x)

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Also we use identity

sin(2x) = 2 sin(x) cos(x)

$4 \frac{1}{2sin(x)cos(x)}$

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Now we multiply top and bottom by sin(x) because we need tan(x) in our answer

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$2\frac{sin(x)}{sin^2(x)cos(x)}$

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We know that sinx/ cosx = tan(x)

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Hence verified

6 0

3 years ago