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How did jazz influence mainstream music in Europe and America? [How to approach and introduce this question]

Conceptions of jazz culture and music that began to develop at the very beginning of the twentieth century both in the US and in Europe have had significant repercussions for directions taken not just in ...

Answered by Freddie R. • Music tutor

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Using the identity cos(A+B)= cosAcosB-sinAsinB, prove that cos2A=1-2sin^2A.

Use cos(A+B)=cosAcosB-sinAsinB and let A=B so cos(A+A)=cosAcosA-sinAsinA this means cos(2A)=cos²A-sin²A and since cos²A+sin²A=1, cos²A=1-sin²

Answered by Rebecca F. • Maths tutor

19966 Views

How can you distinguish between the different cadences?

The first step is to decide whether the extract sounds complete or not. If the extract sounds completed, it will either be a perfect or plagal cadence. The chord progression of a perfect cadence is V-I. T...

Answered by Samantha B. • Music tutor

6070 Views

Describe the events that occur at synaptic junction that result in an action potential in the post synaptic membrane.

An action potential arrives at the pre synaptic membrane which initiates the opening of Ca2+ channels. The influx of Ca2+ ions will cause vesicles containing neurotransmitters to fuse with the pre-synapti...

Answered by Samantha B. • Biology tutor

3200 Views

Outline the major stages of cell cycle.

The cell cycle is comprised of two distinct phases; Interphase and Mitosis. The cell is typically in interphase of 95% of its life and mitosis/division for the remaining 5%.During interphase the cell's nu...

Answered by Max K. • Biology tutor

3006 Views