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3 years ago

Multiplying whole numbers and fractions

Mathematics

2 answers:

Vanyuwa [196]3 years ago

8 0

Answer:

What is the question here?

Step-by-step explanation:

Ksenya-84 [330]3 years ago

4 0

Answer:

uhh excuse me sir you dont have the paper or anything for me to answer but thanks for the points

Step-by-step explanation:

add the paper

Step-by-step explanation:

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2 years ago

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KATRIN_1 [288]

$\bf \textit{difference of squares}
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(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)
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sin^2(\theta)+cos^2(\theta)=1\implies cos^2(\theta)=1-sin^2(\theta)\\\\
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\cfrac{cot^2(x)}{csc(x)-1}=\cfrac{1+sin(x)}{sin(x)}\impliedby \textit{let's do the left-hand-side}$

$\bf \cfrac{\quad \frac{cos^2(x)}{sin^2(x)}\quad }{\frac{1}{sin(x)}-1}\implies \cfrac{\quad \frac{cos^2(x)}{sin^2(x)}\quad }{\frac{1-sin(x)}{sin(x)}}\implies \cfrac{cos^2(x)}{sin^2(x)}\cdot \cfrac{sin(x)}{1-sin(x)}
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2 years ago