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A curve has parametric equations x = 1- cos(t), y = sin(t)sin(2t). Find dy/dx.

Here we have x(t) and y(t) which are both functions of t, but we want dy/dx, which doesn't involve t, we therefore need to use the chain rule. The chain rule tells us that: dy/dx = (dy/dt) x (dt/dx).y = s...

WM
Answered by William M. Maths tutor
6661 Views

What themes are explored by a Russian book you have read?

Pushkin subverts the European and Russian literary genres, by hybridising them both in his novel-in-verse Evgenii Onegin. Thus, but not fully complying to either of the traditions of his time, he...

AW
Answered by Alexander W. Russian tutor
1193 Views

Commentary on Hamlet Act 1 Scene 5 Lines 1-41

What is immediately clear from this extract is Hamlet and his father have, or at least had in the latter’s living years, a close relationship. This is seen by how both characters’ speech contributes to th...

AW
10348 Views

How is ATP produced in the light-dependent reaction of photosynthesis?

The production of ATP occurs through the process of photophosphorylation. When light energy hits the chlorophyll molecule, it is absorbed by photosystem I and pho...

AL
Answered by Anna L. Biology tutor
33701 Views

What is the escape velocity of an object leaving a planet mass M, radius R?

As the object leaves the surface of the planet, it loses kinetic energy and gains gravitational potential energy. Through conservation of energy we know the loss of kinetic energy must be equal to the gai...

TR
Answered by Thomas R. Physics tutor
2666 Views

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