How do you do this question?

Mathematics

1 answer:

gregori [183]3 years ago

8 0

Answer:

½√2

Step-by-step explanation:

∑ₙ₌₀°° (-1)ⁿ π²ⁿ / (4²ⁿ (2n)!)

∑ₙ₌₀°° (-1)ⁿ (π/4)²ⁿ / (2n)!

Using the Taylor expansion for cos x:

cos (π/4)

½√2

You might be interested in

How do you graph y-2x=2

iris [78.8K]

Turn it into y=mx+b form so it is y=2x+2 the b=2 so y intercept is (0,2) and the slope is 2, do a rise of two and a run of 1 and then connect the dots

6 0

3 years ago

Read 2 more answers

Solve the system of linear equations below.

uysha [10]

Answer:

x=−7/39 and y=14/39 :))

3 0

3 years ago

To add a value 1 to variable x, you write ________.

Vaselesa [24]

1+x you can not add them because they are not like terms

7 0

3 years ago

Now I need help pplz

loris [4]

25 hope it helps (;......

3 0

3 years ago

Read 2 more answers

Which expression is equivalent to 2(x^2-1) + 3x(x-4) (please show work)

Tema [17]

Answer:

5x^2-12x-2

Step-by-step explanation:

Use distributive property, then add like terms. See file below for steps.

4 0

3 years ago