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2 years ago

Uurgent please help me

Mathematics

1 answer:

Alborosie2 years ago

4 0

Answer:

5/6 (i think im not good at math soz)

-Mina

Step-by-step explanation:

Branily stop deleting my awnsers

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Please help, very confused!

My name is Ann [436]

$\bf cot(\theta)=\cfrac{1}{tan(\theta)}
\qquad \qquad 
csc(\theta)=\cfrac{1}{sin(\theta)}\qquad \qquad sin(-\theta )=-sin(\theta )
\\\\\\
\textit{also recall }sin^2(\theta)+cos^2(\theta)=1\implies sin^2(\theta)=1-cos^2(\theta)\\\\
-------------------------------$

$\bf \cfrac{csc^2(x)-cot^2(x)}{sin(-x)cot(x)}\implies \cfrac{\frac{1}{sin^2(x)}-\frac{cos^2(x)}{sin^2(x)}}{-sin(x)\frac{cos(x)}{sin(x)}}\implies \cfrac{\frac{1-cos^2(x)}{sin^2(x)}}{-cos(x)}
\\\\\\
\cfrac{\frac{sin^2(x)}{sin^2(x)}}{-cos(x)}\implies \cfrac{1}{-cos(x)}\implies -sec(x)$

7 0

3 years ago

X 9 =12 2 ⋅12 7 . x=?

ValentinkaMS [17]

I think it’s
x= -54
PLZZ GIVE BRAINLYEST

7 0

3 years ago

PLZ HELP

Masja [62]

Answer:

B. Survey 1,000 people aged below 25 who read newspapers

Step-by-step explanation:

It's the youth in the community so it's obviously people below 25 and we need more responses to get a more unbiased opinion.

3 0

3 years ago

Hey guys, I have a test and Im dying to get over a 700% can yall help me out here ill give 10 points

MArishka [77]

Answer:

uhhh you said 10 points and there are 5 on the screen.

4 0

3 years ago

Evaluate the following.<br> (iii) sin 30° + tan 40° - cosec 60° / cot 45° + cos 60° - sec 30°

bearhunter [10]

Sin 30 = 1/2

tan 45 = 1

Cosec 60 = 2 / √3 = 2√3 / 3

cot 45 = 1

Cos 60 = 1/2

sec 30 = 2 / √3 = 2√3 / 3

_______________________________

[ 1/2 + 1 - 2√3/3 ] ÷ [ 1 + 1/2 - 2√3/3 ] = <em>1</em>

The face and denominator of the fraction are exactly the same thus the answer is 1 .

4 0

3 years ago