3 years ago

Which Trigonometric functions have a domain of (-1,1)

Mathematics

2 answers:

Ilia_Sergeevich [38]3 years ago

8 0

Answer:

Step-by-step explanation:

[−1,1] and [0, $\pi$ ]

hope this helped :)

antoniya [11.8K]3 years ago

3 0

Answer:

A. y = arcsinx and y = arccosx

Step-by-step explanation:

See the graph

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A cartographer creates a map of Bucks County with a scale factor of 1 inch = 10 miles. The distance between Quakertown and Selle

Dennis_Churaev [7]

3 inches i think if im wrong then oof

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3 years ago

Eight times the reciprocal of a number equals 2 times the reciprocal of 10. Find the number.

Marat540 [252]

Answer:x=40

Step-by-step explanation:

To find this

8 times the reciprocal of a number

We get

Assume the number is x

8×1/x=2×1/10

8/x=2/10

8/x=1/5

Cross multiply

x=40

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3 years ago

Five divided by one half

vova2212 [387]

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1 year ago

Factorize the following algebraic expression:

Hoochie [10]

X^2+16-38=0
find what 2 numbers multiply to get -38 and add to get 16
find factors of 38
2 times 19
there is no way to use common factor so use quadratic formula which is
x= $\frac{ -b+\sqrt{b^2-4ac} }{2a}$ or x= $\frac{ -b-\sqrt{b^2-4ac} }{2a}$

ax^2+bx+c=0 subsitte
a=1
b=16
c=-38
subsitute
$\frac{ -16+\sqrt{16^2-4(1)(-38)} }{2(1)}$ = $\frac{ -16+\sqrt{256+152} }{2}$ = $\frac{ -16+\sqrt{408} }{2}$ = $\frac{ -16+2\sqrt{102} }{2}$ = $-8+\sqrt{102}$
so the answers for x are $-8+\sqrt{102}$ and $-8-\sqrt{102}$ which are aprox -2.099504938362 and +18.099504938362
so it would be
(x-[-8+√102])(x+[8+√102])=0

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2 years ago