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How do I remember the common values of cosx, sinx and tanx?

To remeber the equations us SOH CAH TOA. This is Sinx = Opposite/Hypotenuse, Cos x = Adjacent/Hypotenuse and Tanx = Opposite/Adjacent. For values x=pi/3 and x=pi/6 always start by drawing an equilateral o...

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Answered by Becky L. Maths tutor
3065 Views

How do I use format python code?

You should beware of indentation in your code as indentation will affect how the code runs and can prevent you from being able to compile your code. It can also create logic errors, producing results whic...

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Answered by Charlene L. Python tutor
1587 Views

Differences between Sn1 and Sn2 reactions

--> Sn2

It is a one-step mechanism which is considered to be Sn2 where two species are involved in the rate determining step. Both species...

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Answered by Lucy S. Chemistry tutor
4068 Views

Simultaneous questions: 2x+y=7, 3x-y=8

First of all, you want to get both of the questions equating to y as this is a common factor between the two equations. SO y=7-2x and 3x-8=y As both of the equations are equal to y, we can set them equal ...

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Answered by Bronnie J. Maths tutor
2764 Views

2 resistors of resistances 150 ohms and 5000 ohms respectively are in series with each other. They both are also in parallel with a 1000 ohm resistor. What is the total resistance?

Firstly, you should start by working out the total resistance for the 150 ohm and 5000 ohm resistors which are in series: -In series the total resistance is given as the ...

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Answered by Gaggan J. Physics tutor
2058 Views

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