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laiz [17]
3 years ago
13

Does sin cos tan only work with right triangles

Mathematics
1 answer:
Yanka [14]3 years ago
6 0
Trigonometric functions aren't to do with triangles specifically, they are to do with angles.

So no, they aren't only for right angled triangles.

For example, the formula (1/2)ab * sin(c) calculates the area of a triangle, and will work on isosceles and scalene triangles.
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Kerry bought a conical tent to put on the back porch. The tent instructions reveal the height at the tallest point to be 4.5 fee
IrinaVladis [17]

Answer:

Kerry bought a conical tent to put on the back porch. The tent instructions reveal the height at the tallest point to be 4.5 feet and the space inside to be 10.5 cubic feet. About how many square feet of the back porch will be covered by the tent?

Which measure of the cone needs to be calculated to answer the problem?

Base Area

Which equation represents the scenario?

10.5=(1/3)B(4.5)

How many square feet of the back porch will the tent cover?

7 square feet

Step-by-step explanation:

5 0
3 years ago
Solve for x and y<br> 3x + 2y = 16<br> 7x + y = 19<br><br> (-2,-5)<br> (-2,5)<br> (2,5)<br> (2,-5)
Aliun [14]

Answer:

(2,5)

Step-by-step explanation:

it's (2,5) just to let you now

3 0
3 years ago
Write the equation of a line that passes through the points ( 2 , - 5 ) and ( 8 , - 2 )
kati45 [8]

Answer:

y=\frac{1}{2}x-6

Step-by-step explanation:

Hi there!

Linear equations are typically organized in slope-intercept form: y=mx+b where m is the slope and b is the y-intercept (the value of y when the line crosses the y-axis)

<u>1) Determine the slope (m)</u>

m=\frac{y_2-y_1}{x_2-x_1} where two points that fall on the line are (x_1,y_1) and (x_2,y_2)

Plug in the given points (2,-5) and (8,-2)

m=\frac{y_2-y_1}{x_2-x_1}\\=\frac{-2-(-5)}{8-2}\\=\frac{-2+5}{8-2}\\=\frac{3}{6}\\=\frac{1}{2}

Therefore, the slope of the line is \frac{1}{2}. Plug this into y=mx+b:

y=\frac{1}{2}x+b

<u>2) Determine the y-intercept (b)</u>

y=\frac{1}{2}x+b

Plug in one of the given points and solve for b

-5=\frac{1}{2}(2)+b\\-5=1+b

Subtract 1 from both sides to isolate b

-5-1=1+b-1\\-6=b

Therefore, the y-intercept of the line is -6. Plug this back into y=\frac{1}{2}x+b:

y=\frac{1}{2}x+(-6)\\y=\frac{1}{2}x-6

I hope this helps!

6 0
3 years ago
If Y is directly proportional to the square root of X and Y equals -32 when X equals 400, find Y if X equals 160,000
yan [13]

Answer:

Step-by-step explanation:

4 0
2 years ago
Is hot dog a sandwich
Katena32 [7]

Answer:

ofc it is i wish i could get brainleist i wanna get to expert :(

Step-by-step explanation:

3 0
2 years ago
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