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finlep [7]
3 years ago
15

Trigonometry Identities help please

Mathematics
1 answer:
sesenic [268]3 years ago
6 0

theta is in the fourth quadrant where the cosine is positive.


the third side in the triangle = sqrt (4 - 2) = sqrt2


So sin theta = -sqrt2/2 = Second choice (negative because sine is negative in 4th quadrant)


tan theta = - sqrt2 / sqrt2 = -1

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The intervals are given as follows:

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<h3>What is the range of elements notation for interval?</h3>

The range of elements notation for interval is given by:

[a,b].

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In this problem these values are given by:

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<h3>How to write the interval in set-builder notation?</h3>

The same interval can be written as follows, using set-builder notation?

{x|x ∈ ℝ, a <= x <= b}

Hence, for the situation described in this problem, the set-builder notation for the values is:

{x|x ∈ ℝ, -282 <= x <= 20,320}

More can be learned about notation of intervals at brainly.com/question/27896097

#SPJ1

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