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What the main differences between an interpreter and a compiler?

A compiler produces an object or executable file that can be manually run after the source code is compiled. On the other hand, the interpreter doesn't produce an executable file, rather it will simulate lin...
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Answered by Henry S. • Computing tutor
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Why does atmospheric pressure drop when altitude increases?

(Question can be sketched with a graph) Firstly, in order to have atmospheric pressure, air molecules must collide with a surface, in this case the face of the Earth. As you gain altitude (height from face o...
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Answered by Henry S. • Physics tutor
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Given that: 2tanθsinθ = 4 - 3cosθ , show that: 0 = cos²θ - 4cosθ + 2 .

Starting with: 2tanθsinθ = 4 - 3cosθ . We can rewrite tanθ in terms of sinθ and cosθ.We know: tanθ = sinθ ÷ cosθ .By substituting we get: 2(sinθ ÷ cosθ)sinθ = 4 - 3cosθ .Let's multiply out by cosθ to get: 2s...
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Answered by Henry S. • Maths tutor
5650 Views

Write 9sin(x) + 12 cos(x) in the form Rsin(x+y) and hence solve 9sin(x) + 12 cos(x) = 3

9sin(x) + 12 cos(x) = Rsin(x+y) =R(sin(x)cos(y)+cos(x)sin(y))= (Rcos(y))sin(x) + (Rsin(y))cos(x)Therefore by matching the coefficientsRsin(y)=12, Rcos(y)=9 [1]SoRsin(y)/Rcos(y) = 12/9 = 4/3, therefore tan(y)...
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Answered by James H. • Maths tutor
6503 Views

Translate the following passage into Spanish: When I was young, I used to visit my granddad every Friday. One day, I visited him with my mum. We drank coffee and watched the football. There isn't much to do in my granddad's house.

Cuando era pequeñ@, yo visitaba a mi abuelo cada viernes. Un día, lo visité con mi madre. Bebimos cafe y vimos el fútbol. No hay mucho que hacer en la casa de mi abuelo.
AG
Answered by Anna G. • Spanish tutor
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