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Mekhanik [1.2K]
3 years ago
13

How to do this??????????

Mathematics
1 answer:
Nutka1998 [239]3 years ago
6 0
The answer should be 5 idk for sure though
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Given the point (3, 4), which of the following shows that sinxcscx = 1?
yawa3891 [41]
\bf sin(\theta)=\cfrac{opposite}{hypotenuse}\qquad csc(\theta)=\cfrac{hypotenuse}{opposite}\\\\
-------------------------------\\\\
\begin{array}{clclll}
3&,&4\\
\uparrow &&\uparrow \\
x&&y\\
a&&b\\
adjacent&&opposite\\
side&&side
\end{array}\qquad 
\begin{array}{llll}
\textit{using the pythagorean theorem}
\\\\\\
c^2=a^2+b^2\implies c=\sqrt{a^2+b^2}
\end{array}
\\\\\\
hypotenuse\implies  c=\sqrt{3^2+4^2}\implies c=\sqrt{25}\implies \boxed{c=5}\\\\
-------------------------------\\\\

\bf sin(x)=\cfrac{4}{5}\qquad csc(x)=\cfrac{5}{4}\implies sin(x)csc(x)\implies \cfrac{4}{5}\cdot \cfrac{5}{4}\implies 1
8 0
3 years ago
Read 2 more answers
It keeps saying my answer is wrong
mariarad [96]
Since the formula is \frac{1}{2}h(B1+B2), here's the answer.

First we do \frac{1}{2}10, which gives us 5.

Then we do 5(20+8), which gives us 5(28).

At last we do 5*28, and we get 140.

So, the answer would be 140.

Hope this helped! c:
4 0
3 years ago
1 point
Nutka1998 [239]

Step-by-step explanation:

Please mark my answer brainliest

5 0
3 years ago
2. How much interest will Brian eærn on $875 in his savings account after 3 months if the annual
gogolik [260]

Answer:

rs.12.031 will be his annual interest rate

6 0
3 years ago
Write a real-world problem that can be represented by the given equation. Explain what your variable represents. 2X + 6 = 3X + 4
ale4655 [162]

Answer:

2,340

Step-by-step explanation:

Please don't report I tried my best

7 0
3 years ago
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