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How can I remember how to differentiate and integrate cos and sin?

I find it is best whenever you open your maths paper to draw this diagram to help you remember: Sin(X) -> cos(X)-> -sin(X) -> -cos(X)----->
{Drawn in a circle on the board}
To diff...

Answered by Hannah M. • Maths tutor

6039 Views

A common construct found in many algorithms is a loop. Using pseudocode, write a pre-condition loop to output all of the even numbers between 99 and 201.

Key points when answering questions are the marks given for it and how the question is defined. In this example we need to write a pre-condition loop to output all the

Answered by Stylianos A. • Computing tutor

3174 Views

Describe how you can distinguish between intrusive and extrusive igneous rocks?

Crystal size is used to distinguish between intrusive and extrusive igneous rocks. Intrusive rocks such as granite will have coarse crystals whereas extrusive rocks such as basalt will have fine glassy cr...

Answered by Sian S. • Geology tutor

12510 Views

What is the difference in Greek between "κλείνω" and "κλίνω"?

These verbs sound the same, but they don't mean the same. "Κλείνω" means "to close" and it can be used in different contexts. For instance, we say &qu...

Answered by Giasemi G. • MLAT (Modern Languages) tutor

3844 Views

‘Social conditions and freedoms were consistently poor and restrictive in the period 1855-1964.’ How far do you agree with this statement? (Russia period study)

Introduction: That social conditions and freedoms are to be considered ‘consistently’ poor and restrictive for Russian people is an apt reflection of the repressive governance of both the Tsars and Commun...

Answered by Sophie G. • History tutor

3902 Views