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Why is the derivative of sin(x), cos(x)?

Find out what they know what the questions means, ie if they know what sinx and cosx are and then how much they understand about what derivatives are.I would explain from the point they're at, define ever...

RA
Answered by Ryan A. Maths tutor
3391 Views

What is the difference between female and male pronouns?

Female- ends in AMale- often ends in E or O
There are however exceptions to this rule.

DW
Answered by Daria W. Polish tutor
935 Views

f(x) = x^3 + 3x^2 + 5. Find (a) f ′′(x), (b) ∫f(x)dx.

(a) To find the second derivative of f(x) we must differentiate f twice.the first derivative of f is f'(x)= 3x^2 + 6xthe second derivative therefore is f''(x)= 6x +6
(b) The integral of f(x) with res...

SC
Answered by Samraj C. Maths tutor
7749 Views

Given an ordered array of integers "V" and a integer "Sum", write a function that would return "true" if it finds two numbers in V that add up to Sum, and "false" otherwise.

Because there is no unique solution to the problem the goal is to think different ways to approach an issue and ultimately opt for the best one in terms of complexity. There is an example of set of answer...

FD
Answered by Fabio D. Computing tutor
1569 Views

What is agility? How would you test this?

Agility is defined as 'the ability to move and change direction quickly. (at speed) whilst maintaining control.The Illinois agility test is used to measure agility. It involves the participant starting in...

RH
5331 Views

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