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2 years ago

HELP ASAP PLEASE HELP NOW

Mathematics

1 answer:

kow [346]2 years ago

4 0

Answer:

the 2nd option f(-4) = g(-4) and f(0) = g(0)

Step-by-step explanation:

the right answer was the same x and sampe y. it means in their intersection for both f(x) anad g(x)

so the correct answer is f(0) = g(0) and f(-4) = g(-4)

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Trigonometric Identities

bogdanovich [222]

$\bf \textit{symmetry identities}\\\\
sin(-\theta )\implies -sin(\theta )\qquad \qquad cos(-\theta )\implies cos(\theta )
\\\\\\also~recall\\\\ sin^2(\theta)+cos^2(\theta)=1\implies cos^2(\theta)=1-sin^2(\theta)
\\\\\\
sin^2(\theta)=1-cos^2(\theta)
\\\\
-------------------------------\\\\\
[1-cos(-t)][1+cos(t)]\implies [1-cos(t)][1+cos(t)]$

$\bf 1^2-cos^2(t)\implies 1-cos^2(t)\implies sin^2(t)\\\\
-------------------------------\\\\\
%Simplify each expression. (1−cos⁡(−t))(1+cos⁡(t)) = (1+sin(t))(1+sin(-t))= csc⁡(t)tan⁡(t)+sec⁡(−t) =
[1+sin(t)][1+sin(-t)]\implies [1+sin(t)][1-sin(t)]
\\\\\\
1^2-sin^2(t)\implies 1-sin^2(t)\implies cos^2(t)\\\\
-------------------------------\\\\$

$\bf csc(t)tan(t)+sec(-t)\implies \cfrac{1}{\underline{sin(t)}}\cdot \cfrac{\underline{sin(t)}}{cos(t)}+\cfrac{1}{cos(-t)}
\\\\\\
\cfrac{1}{cos(t)}+\cfrac{1}{cos(-t)}\implies \cfrac{1}{cos(t)}+\cfrac{1}{cos(t)}\implies \cfrac{2}{cos(t)}
\\\\\\
2\cdot \cfrac{1}{cos(t)}\implies 2sec(t)$

3 0

2 years ago

Encuentre el valor de la variable en la siguiente ecuación 4−x7=−8

melisa1 [442]

Answer:

x = 1.71428571429 (1.7)

Step-by-step explanation:

4 - 7x= -8

-4 -4

-7x = -12

/-7 /-7

x = 1.71428571429

x = 1.7

7 0

1 year ago

Find the radius... Help plz

Vladimir [108]

It is 20 for the radius

6 0

2 years ago

Select the correct answer.which graph shows a line with a slope of 0?

dusya [7]

Step-by-step explanation:

the first video man and share with you search the Internet resources to help you find the best service providers to get your free and

4 0

1 year ago

Will get brainily sign if you get it correct with explanation!!!!!

yKpoI14uk [10]

Answer:

$4.50 or $4.5

Step-by-step explanation:

well, this is easy

30% equals to 0.30 right.

we can't divide because if we do then the answer would be 50$ and that's way more money than Jill has.

so your wondering. What do we do?

Well, what's 30% of 15?

It's 4.5

4 dollars and 5 cents that U will have with Jill.

4 0

1 year ago