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Nastasia [14]
3 years ago
8

Check all that apply. Which of the following equation is answer for the equation: sec 2x=. ______. A. 1/cos^2x - sin^2x. B. 1/si

n^2x - cos^2x. C. 1/2sin^2x - 1. D. 1/1-2sin^2x
Mathematics
1 answer:
svetlana [45]3 years ago
5 0
Sec x = 1/cos x
cos 2x = cos^2 x - sin^2 x
sec 2x = 1/(cos^2 x - sin^2 x)

Option A is the correct answer.
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A college conducted a survey of randomly selected freshmen about their choice of major. The table shows the results of the surve
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Step-by-step explanation:

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Distributive property for x(11+2), please????
Hitman42 [59]

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find the area and perimeter of a rectangle with a width of 2 1/3inch and a length of 5 2/5inches. show your work please.
aleksandrvk [35]
Area: If you multiply 2 1/3 by 5 2/5, you get an answer of about: 12.6, which means the area is about: 12.6in. squared.
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7 0
2 years ago
A vector has an x-component of −24.5 units and a y-component of 31.5 units. Find the magnitude and direction of the vector.
jasenka [17]

we are given a vector

whose

x-component is -24.5

so, v_x=-24.5

y-component is 31.5

so, v_y=31.5

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we can use formula

|v|=\sqrt{(v_x)^2+(v_y)^2}

we can plug values

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Direction:

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now, we can plug values

\theta=tan^{-1}(\frac{31.5}{-24.5})

\theta=180-52.12

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3 years ago
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