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sin(x)/(cos(x)+1) + cos(x)/(sin(x)+1) = 1

sin^2(x) + sin(x) + cos^2(x) + cos(x) = cos(x)sin(x) + cos(x) + sin(x) +1 (sin^2(x) + cos^2(x) =1) Therefore; 1 +sin(x) + cos(x) = cos(x)sin(x) + sin(x) +cos(x) +1 Cancelling out on both sides cos(x)sin(x) =...
JO
Answered by James O. • Maths tutor
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Which is 'the most important' in the US - the Senate or the House?

Whilst the US Constitution makes no reference to which is more important than the other, the Senate can be seen as more important for a number of reasons. Senators are elected every six years, as opposed to ...
JW
Answered by Jake W. • Politics tutor
185333 Views

What is the indefinite integral of cos^2x?

List Trigonmetric identities which could help to simpilfy integral Use cos(2x)= Cos 2 x-sin 2 x and sin 2 x=1-cos 2 x Sub identity 2 into 1 and rearrange to show Cos 2 x=(1+cos2x)/2 and integrate to find the...
JM
Answered by Jake M. • Maths tutor
3939 Views

What is the difference between the genotype and the phenotype?

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 ge...
EM
Answered by Evelyn M. • Biology tutor
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Why is the melting temperature of Magnesium higher than that of Sodium?

More energy is required to break the metallic bonds in Magnesium, because: -Magnesium ions have a smaller ionic radius than Sodium ions so Magnesium is more closely packed -Mg2+ ions have a greater charge de...
EM
Answered by Evelyn M. • Chemistry tutor
24131 Views