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List Trigonmetric identities which could help to simpilfy integral

Use cos(2x)= Cos²x-sin²x and sin²x=1-cos²x

Sub identity 2 into 1 and rearrange ...

First of all, practising oral questions does not mean no writing. The first task to do is to copy down the question, look for key words and confirm what is being asked. Lot of students answer the wrong qu...

The cyrrilic alphabet is quite difficult for foreign language learners, especially if you are only familiar with latin writing and pronounciation. The most common difficulties that students face are prono...

The first thing you should do when you see a poem is read it and write down first impressions. This should include what on first glace you think the poem is about. It is highly likely, that your first imp...

An organism's genotype is the complete set of genes that they inherit from their parents (half from each parent). Their phenotype is the set of characteristics that are seen/observed, as a result of their...