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Margaret [11]
3 years ago
10

Is cos theta=cos(-theta)

Mathematics
1 answer:
saul85 [17]3 years ago
4 0

Answer:

TRUE

Step-by-step explanation:

An even function is a function that satisfies that f(x) = f(-x). Also, we know that cosine is an even function, therefore cos(theta) equals cos(-theta).

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Which of the following are steps to use when formulating an equation? Check all that apply.
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Answer:

A and B

Step-by-step explanation:

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3 years ago
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Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule.
lubasha [3.4K]

Answer:

The answer is option C.

<h3>-6, -5 2/5, -4 1/5</h3>

Step-by-step explanation:

The arithmetic sequence is given by

A(n) =  - 6 + (n - 1)( \frac{1}{5} )

where n is the number of terms

<u>For</u><u> </u><u>the</u><u> first</u><u> </u><u>term</u>

n = 1

So we have

A(1) =  - 6 + (1 - 1)( \frac{1}{5} )

=  - 6 + (0)( \frac{1}{5} )

=  - 6

<u>For</u><u> </u><u>the</u><u> </u><u>fou</u><u>rth</u><u> term</u>

n = 4

A(4) =  - 6 + (4 - 1)( \frac{1}{5} )

=  - 6 + (3)( \frac{1}{5} )

=  - 5 \frac{2}{5}

<u>For</u><u> </u><u>the</u><u> </u><u>tenth</u><u> </u><u>term</u>

n = 10

A(10) =  - 6 + (10 - 1)( \frac{1}{5} )

=  - 6 + (9)( \frac{1}{5} )

=  - 4 \frac{1}{5}

Hope this helps you

4 0
3 years ago
The least common multiple of two numbers is 60, and one of the numbers is 7 less than the other number. What are the numbers? Ju
Aleks [24]
To do this we need to find the factors of 60 these are:
1 and 60
2 and 30
3 and 20
4 and 15
5 and 12
6 and 10
There is 1 pair that have a difference of 7 and that is 5 and 12
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3 years ago
−2x=x^2 −6 from khan academy helppppppp please
masya89 [10]
This is in its simplest form.
There are no like terms to an operation
5 0
3 years ago
Please help me on my math and i will give you brainliest
dusya [7]

Answer:

A

Step-by-step explanation:

the maximum turning point is on the top and minimum on the bottom in this case maximum Is above the X-axis

5 0
3 years ago
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