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This question requires selecting the correct double angle formulae.
cos(2x)=2cos^2(x)-1 is rearranged to 1/2(cos(2x)+1)
this can now be integrated with the students knowledge of standard integra...

Things don’t change themselves, they are always changed by something, for example; a marble block into a statue. In order for change to occur, the mover must be in the new state in order to change the obj...

This is a common class of question concerning projectile motion and the independence of orthogonal forces.
First the student should sketch the problem an label the forces, In doing this they will see...

Introduction Arguments that support the premise of the failure Henry lacked the finance for a strong foreign policy domestic policy and the action against Catherine of Aragon limited relations with Spain ...

The photoelectric effect is the observation that when light of a certain frequency or higher is shone onto a particular metal surface, electrons are emitted from the metals surface. Let's consider a devic...