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raketka [301]
3 years ago
6

Does sin (-30) equal -sin (30)?

Mathematics
1 answer:
Ivan3 years ago
4 0

Answer:

Step-by-step explanation:

I dont know, sin (-30) might be an error because measures can’t be negative...

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Can someone help me please and explain.
exis [7]
[This question is such you will not understand a thing without your involvement as well. So follow my step and check by yourself]

First plot both functions on graph (this you gotta do yourself and check because only then you will learn)

How you plot the function?

f(x)=-3x³+5x-5

Put y=f(x)

y=-3x³+5x-5➡eqn(1)

So note the corresponding values of y on putting different values of x in that function.

I'll show u:

When x=0,y=-5 [calculate yourself it's easy just put x=0 and find value of y in eqn(1)]

Similarly,

x=1,y=-3

x=2,y=-19

[Similarly put x=-1,-2..and find corresponding y]

So you got points (0,-5),(1,-3),(2,-19)...plot these points and you have successfully plotted f(x).

Same process for plotting function g(x)....at least 6 points must be plotted.

❇After plotting f(x) and g(x):

1)check by yourself if they have same y-intercept (which is the distance between origin and the point of intersection of y-axis and the curve/line)

2) To check if they have same behavior or not,

increase the value of x[ie,1,2,3...] and note the corresponding value of y in function f(x) . Then decrease value of x[ie,-1,-2,-3..] and note corresponding value of y [note that y means function or f(x)]

Suppose f(x) has following end behavior:

When x increases f(x) tends to decrease

and when x decreases f(x) tends to increase

Now find end behavior of g(x) also..and if above end behavior matches with g(x), they will have same end behavior.

3) check by yourself by looking in plotted graphs of f(x) and g(x) whether they have at least one x-intercept or not.

4)g(x) is even function but f(x) is odd function.

So, g(x) is symmetrical over y-axis but f(x) is not.

5) Actually most of the algebraic polynomial functions don't show periodicity(but trigonometric and exponential function do). You can check by yourself by looking in plotted graph. If graph seems to be repeating same behavior it is periodic otherwise not. I am sure the given functions are not periodic. {Plz google periodic function if you want to know more}
3 0
2 years ago
Which is the smallest ratio? 3 to 4, Two-thirds, 10:12, 2 to 1
QveST [7]

2/3 is the smallest fraction. So, 2/3 is the smallest ratio....!

Hope this helps luv!!!! :>

3 0
3 years ago
Read 2 more answers
The question is..........
garri49 [273]
10-5=5 and 16-10=6 then you multiply 6x5
the answer is 30 Because you have to multiply L x W 

5 0
3 years ago
8.71 ×<img src="https://tex.z-dn.net/?f=10%5E%7B7%7D" id="TexFormula1" title="10^{7}" alt="10^{7}" align="absmiddle" class="late
Semmy [17]
It’s 87100000 Have Ah Good Day.
4 0
2 years ago
Read 2 more answers
6000 is deposited into a fund at the annual rate of 9.5%. Find the time required for the investment to double if the interest is
Anna [14]

Answer: 7.58 years

Step-by-step explanation:

When it comes to finding out how long it will take for an investment to double, one can use the Rule of 72.

The Rule of 72 estimates the amount of time it will take to double an investment when you divide 72 by the interest rate:

= 72 / r

= 72 / 9.5

= 7.58 years

3 0
2 years ago
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