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laiz [17]
2 years ago
13

Does sin cos tan only work with right triangles

Mathematics
1 answer:
Yanka [14]2 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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Estimate the sum of 8.43 + 8.12 + 7.98.
In-s [12.5K]

Answer:

we estimate it and get

the answer is 25.53

7 0
2 years ago
15 POINTS! someone pls answer
photoshop1234 [79]

Answer:

2(\frac{1}{2} *20*50)+2(\frac{1}{2} *20*10)

Step-by-step explanation:

The formula for the area of a triangle is \frac{1}{2} *b*h

The triangles that can be made is the triangle that has legs 20 and 50 and the triangle that has legs 20 and 10.

Since there are 2 of each triangles, we get:

2(\frac{1}{2} *20*50)+2(\frac{1}{2} *20*10)

The answer that fits is the first option.

5 0
3 years ago
Which relation is a linear function with the least slope?
mel-nik [20]
It would be the first graph because the slope would be zero making it the smallest
7 0
3 years ago
What are the possible number of positive, negative, and complex zeros of f(x) = x6 – x5– x4 + 4x3 – 12x2 + 12 ?
FinnZ [79.3K]
This is a polynomial with more than 2 as a degree. Using Descartes Rule of Signs: 
f(x) = x⁶ + x⁵ + x⁴ + 4x³ − 12x² + 12 
Signs: + + + + − + 2 sign changes ----> 2 or 0 positive roots 
f(−x) = (−x)⁶ + (−x)⁵ + (−x)⁴ + 4(−x)³ − 12(−x)² + 12 f(−x) = x⁶ − x⁵ + x⁴ − 4x³ − 12x² + 12 
Signs: + − + − − + 4 sign changes ----> 4 or 2 or 0 negative roots 
Complex roots = 0, 2, 4, or 6 
7 0
3 years ago
Read 2 more answers
Help plz (filling in 20 characters)
PilotLPTM [1.2K]
4. as a decimal = 1.8 then to a percent = 180%
5. it's already a decimal so it = 0.15%
6. also already a decimal so it = 275%

to get from a decimal to a percent, move the decimal 2 spaces to the right and add a percent symbol at the end
5 0
3 years ago
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