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Integrate 2sin(theta)cos(2*theta)

cos(theta)-(4/3)cos³(theta)

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Why was the Truman Doctrine significant?

The Truman Doctrine was an American initiative introduced in 1947, which marked a change of international policy from isolationism to containment. Introduced by President Truman in a speech to Congress, t...

Answered by Ciara E. • History tutor

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What is diffusion and what are the factors that influence the rate of diffusion? What are some of the ways diffusion is used in the body? What is it called when water is diffused through a semi permeable membrane?

Diffusion is the spreading out of particles of any substance in solution or of gas resulting in a net movement of an area of high concentration to an area of low concentration. Diffusion is key to the sur...

Answered by Phoebe F. • Biology tutor

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What are the characteristics of a perfectly competitive market?

In practice it is unlikely that the conditions of a perfectly comeptitive market will exist, however these conditions are set as:

Many buyers and sellers in the market
...

Answered by Esmee M. • Economics tutor

2816 Views

How do I use the imperfect subjunctive?

The imperfect subjunctive is a fantastic way to pick up the extra marks needed for the top grade at A level, esepcially when used in 'Si' clauses' however it is one of the most complex grammatical structu...

Answered by Esmee M. • Spanish tutor

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