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stepan [7]
2 years ago
13

Given the following cofunction sin(x - 3)° = cos(2x + 6)°, what is the measure of the smaller angle

Mathematics
1 answer:
Dmitriy789 [7]2 years ago
6 0

Note :

sin(x) = cos (90-x)

Therefore,

sin(x-3) = cos(90-(x-3))

90-[x-3] = 2x+6

90-x+3 = 2x+6

3x = 93-6

x = 31-2

x = 29°

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Please help with this, thanks
Readme [11.4K]

Answer:

BDC is half of mBC = 11°

Easily you see that C is A + BDC = 23°

Since C = 23° so mDC is twice = 46°

x

8 0
3 years ago
An isosceles triangle with equal sides of length 5 and base of length 6 is inscribed in a circle. Find the radius of this circle
Julli [10]

Answer:

So the answer is 30 of a length

Step-by-step explanation:

equal sides of the length 5 and length 6

6 0
3 years ago
HELP PLEASE
alexandr1967 [171]

Answer:

I attached the image that has all of the elements. If I missed something, please let me know and I will fix it.

8 0
3 years ago
A cylinder has has a volume of 1884 cm cubed. Find the volume of a cone with the same radius and height as the cylinder.
AlladinOne [14]

Answer:

442

Step-by-step explanation:

Divide the answer the answer by 4

7 0
3 years ago
Electrical poles that carry elecrtical wire seem to get smaller the farther away they are. Find the apparent height of each pole
lisabon 2012 [21]

Answer:

The answer to the question is;

Then the apparent height of each pole if the tallest pole is 50 feet tall and there is 100 feet between each pole is \frac{50*x}{(x + 100*n)} .

Step-by-step explanation:

To answer the question we have

Let the location of the closest pole = x

Let the height of the closest pole = h feet

Also let the actual  height of the pole at location 100×n feet away be 50 feet

Where n = 1, 2, 3, ...∞

Then we have by taking tangent of the similar triangles so formed by the poles

Then h/x = 50/(x +100·n)

Therefore h = 50 × x/(x +100·n) = 50·x ÷(x + 100·n) = 50 \frac{x}{(x + 100n)} feet

The apparent height of each pole if the tallest pole is 50 feet tall and there is 100 feet between each pole is 50·x /(x+100·n) where n is the number of 100 feet further away the pole is e.g when n = 1 we have

h = 50·x /(x+100·1)  = 50·x /(x+100)

5 0
3 years ago
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