3 years ago

I need help dudes... DO THIS ASAP AND I'LL MARK YOU THE BRAINlYLIEST!!!! PLUS this question it due in 20 mins sooo

Mathematics

2 answers:

Zepler [3.9K]3 years ago

5 0

Hi myelsef

Step-by-step explanation:

sladkih [1.3K]3 years ago

4 0

Answer:

ahhh telll meeeee i have the SAME questio

Step-by-step explanation:

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Over the interval [0,2pi), what are the solutions to cos(2x) = cos(x)? check all that apply

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Solution (1)

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solution (2)

$2x = - x + 2k\pi$

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for k=0 / for k=1 / for k=-1

x=0 / x=2π/3 / x=-2π/3

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Note that i'm trying values of K which make the answer belong to our interval;

So our solution which i will represent as a set is;

S € {0,2π/3,2π}

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Ymorist [56]

Answer:

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Step-by-step explanation:

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when x = 1, y = 5.

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Therefore, taking 3x to the LHS, we get,

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