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Tom [10]
3 years ago
15

Which of the functions have period pi?

Mathematics
1 answer:
Stels [109]3 years ago
8 0

ANSWER

A.) y = tan x

C.) y = cot x

EXPLANATION

The period refers to the interval over which the graph completes one cycle

The trigonometric functions

y =  \tan(x)

and

y =  \cot(x)

are reciprocals of each other.

They have the same period, which is π

Also y=cscx and y=secx are reciprocals of the sine and the cosine functions respectively.

They have periods of 2π

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sleet_krkn [62]

{210in}^{3}

This is found by the volume of a cone formula

b \times  \frac{h}{3}

Where b is the base and h is the height

45 \times  \frac{14}{3}   =  \frac{630}{210}  = 210

5 0
3 years ago
Which one has a greater value the square root of 2 or 2.8
tester [92]

square root of 2.8 because its approximate form is 1.6733201 while square root of 2 is 1.4142136

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which of the following pairs of lines are perpendicular? select all that apply A y=2/3x+4 and y=2/3x-8 B y=2/3x-8 and y=-3/2x-8
jasenka [17]

Its B, C, E, F because for B the neg reciprocal of 1 is -1

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3 years ago
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Assume women’s heights are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. a. If one wom
Zarrin [17]

Answer:  a)  0.5636       b) 0.7881

Step-by-step explanation:

We assume that women’s heights are normally distributed .

Let x be the random variable that represents the shoe sizes.

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a) Formula for z:-

z=\dfrac{x-\mu}{\sigma}

Put x= 64, we get

z=\dfrac{64-63.6}{2.5}=0.16

Now, the probability that the male shoe sizes are greater than 8 :-

P(z

Hence, the probability that her height is less than 64 inches = 0.5636

b. Sample size : n= 25

Then , the formula for z :-

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

Put x= 64, we get

z=\dfrac{64-63.6}{\dfrac{2.5}{\sqrt{25}}}=0.8

Then, the probability that they have a mean height less than 64 inches.:_

P(z

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7 0
3 years ago
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1. How much work is done on a 20-N rock that you lift 1.5 meters up?
RUDIKE [14]

Answer:

= 30 joules

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Work done is given by the product of Force and distance

Work done = Force × distance

Work is measured in joules.

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Thus;

Work done = 20 N × 1.5 m

                 <u> = 30 Joules</u>

4 0
3 years ago
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