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SVETLANKA909090 [29]
3 years ago
7

Please help me please please please help please help please help please help please help

Mathematics
1 answer:
faust18 [17]3 years ago
8 0

Answer: a

Step-by-step explanation:

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Without using tables or calculator, evaluate​
seraphim [82]
<h2>Question:- Find the value</h2>

\frac{ \sin(20 \degree) }{ \cos(70\degree) }  +  \frac{ \cos(35\degree) }{ \sin( 65\degree)}

<h2>Answer-> </h2>

\frac{ \sin(20 \degree) }{ \cos(70\degree) }  +  \frac{ \cos(35\degree) }{ \sin( 65\degree)}

<h2>we know:- </h2>

\sin( \theta)  =  \cos(90 -  \theta)  \\  \\  \cos( \theta)  =  \sin(90 -  \theta)

So putting down the value

\frac{ \cos(90 - 20 \degree) }{ \cos(70\degree) }  +  \frac{ \sin(90 - 35\degree) }{ \sin( 65\degree)}

\frac{ \cos(70\degree) }{ \cos(70\degree) }  +  \frac{ \sin(65\degree) }{ \sin( 65\degree)}

\frac{\cancel{\cos(70\degree)}}{ \cancel{\cos(70\degree)}}  +  \frac{\cancel{\sin(65\degree)}}{\cancel{\sin( 65\degree)}}

\frac{1}{1}  +  \frac{1}{1}  \\ 1 + 1 = 2 \:  \: ans

7 0
3 years ago
A town predicts that its population will double in e ^ In 10/ 2 In e years.
Sophie [7]

\dfrac{e^{\ln 10}}{2\ln e}=\dfrac{10}{2}=5

6 0
4 years ago
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kirza4 [7]
0, -5, -10, -15, -20

8 0
3 years ago
Determine the unknown side of the similar triangle
Serggg [28]

Answer:

12

Step-by-step explanation:

we can see that the base's size is doubled, from that we can find that 6 will be doubled to twelve.

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3 years ago
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What single transformation can take you from A (3, 1) to A" (-7, 1) in one move?
Arisa [49]

Answer: A reflection (Across the y-axis)

Step-by-step explanation:

Transformation possiblitites:

Translation: After plotting the points you gave I came to the conclusion that a translation could not be the right transformation due to the fact that the point would move away the same units on a graph as the original point.

Rotation: The new point doesn't seem when graphed to have rotated, as it remained across from the orignial point on the graph.

Dilation: The new point if dilated wouldn't be in close proximity with the original point.

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3 years ago
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