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vodomira [7]
3 years ago
5

Prove the given trigonometric equation.

Mathematics
1 answer:
AURORKA [14]3 years ago
3 0

Answer:

Proving an identity is very different in concept from solving an equation.

Step-by-step explanation:

because it Though you'll use many of the same techniques, they are not the same, and the differences are what can cause you problems.

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X4y(4) = yx2(13), calculate (x+y)2
Delicious77 [7]

Please, for clarity, use " ^ " to denote exponentiation:


Correct format: x^4*y*(4) = y*x^2*(13)

This is an educated guess regarding what you meant to share. Please err on the side of using more parentheses ( ) to show which math operations are to be done first.


Your (x+y)2, better written as (x+y)^2, equals x^2 + 2xy + y^2, when expanded.

The question here is whether you can find this x^2 + 2xy + y^2 in your

"X4y(4) = yx2(13)"


Please lend a hand here. If at all possible obtain an image of the original version of this problem and share it. That's the only way to ensure that your helpers won't have to guess what the problem actually looks like.


3 0
4 years ago
Will mark brainliest for 2 possible answers (WITH NO LINKS AND ANSWERS WITHOUT EXPLANATION)
Kamila [148]

Answer:

Equation in cubed form is x^3+7x^2+7x-15

Step-by-step explanation:

7 0
2 years ago
1) Find 0.2+(-0.6).<br> » Model the expression on the number line
Temka [501]

Answer:

-0.4

Step-by-step explanation:

If using a number line, start at 0.2 and go backwards 0.6 to get to -0.4

5 0
3 years ago
Can someone explain how the answer to #14 is 7/8 in;0.875 in.
Tamiku [17]

Of the 16 small intervals indicated from 0 to 1 inch, the ant spans 14 of them, so

\dfrac{14}{16} = \dfrac{7}{8} \textrm{ inches} = 0.875 \textrm{ in}

How is 7/8 equal to 0.875?

Since 125(8)=1000 and 125(7)=875 we know

\dfrac{7}{8} = \dfrac{7 \cdot 125}{8 \cdot 125} = \dfrac{875}{1000} = 0.875


8 0
3 years ago
Which is the best estimate of the number of beads on a cord that is 16 inches long?
Kitty [74]

Answer:

the most sensible answer is probably 48

Step-by-step explanation:

16 inches is a feet and 4 inches long that's long for beads

8 0
4 years ago
Read 2 more answers
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