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marysya [2.9K]
3 years ago
8

Simplify the expression tan(-x)csc(-x)/sec(-x)cot(-x)

Mathematics
2 answers:
erik [133]3 years ago
6 0
The answer is csc(x)cot(x)tan(x) over sec(x)

goldfiish [28.3K]3 years ago
5 0
\frac{ tan(-x) cosec (-x)}{sec (-x) cot (-x)} ≡ \frac{ [- tan(x)]  [-cosec (-x)]}{[sec (x)] [-cot (x)]}

                                 ≡ \frac{ tan(x) cosec (-x)}{-sec (x) cot (x)} 

                                 ≡ \frac{ (\frac{sin (x)}{cos (x)})   (\frac{1}{sin (x )}) }{(- \frac{1}{cos (x)}) ( \frac{cos (x)}{sin (x)})  }

                                 ≡ \frac{ \frac{1}{cos (x)} }{-  \frac{1}{sin (x)} }

                                 ≡ - \frac{sin (x)}{cos (x)}

                                 ≡ - tan (x)<span>
</span>
⇒ \frac{ tan(-x) cosec (-x)}{sec (-x) cot (-x)} ≡ tan (-x)

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Ivan and tanya share £150 in the ratio 4:1 how much more ivan gets compared to tanya
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Answer:

Given statement: Ivan and Tanya share £150 in the ratio 4:1

let the number be x.

Then, the share of Ivan be 4x and the share of Tanya be x.

From the given scenario,

the equation that would best represent the given will be;

4x+x =\£150

Combine like terms;

5x =\£150

Divide both sides by 5 we get;

\frac{5x}{5}=\frac{\£150}{5}

Simplify:

x =£30

Then,

the share of Ivan is, 4x = 4 \cdot 30 =\£120

and the share of Tanya is, x =£30

Therefore, £90 more Ivan gets compared to Tanya.

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Westminster Street and Lake Avenue intersect. If Westminster Street is 7 meters wide and Lake Avenue is 5 meters wide, what is t
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the distance between two opposite corners of the intersection is 8.60 meters

Step-by-step explanation:

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