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How can I find all the solutions to cos(3x) = sqrt(2)/2 for 0<=x<=2pi ?

Finding the solutions to trig equations begins in a very similar way to when we do it at GCSE. We start with:cos(2x) = 2-1/2 0 <= x <=piand correct our range, as we are interested in 2x n...

TU
Answered by Thomas U. Maths tutor
7575 Views

What are the conditions of perfect competition?

We define a perfectly competitive market as a market which fulfils the six following conditions: 1) Large number of sellers and buyers. 2) Homogenous product: All of the goods sold within the market are i...

EB
Answered by Ethan B. Economics tutor
3760 Views

Outline and explain two key concepts of Radical Feminism

In planning an answer to this question I would suggest a brief introduction to feminism from a sociological point of view, including how and when the first waves of feminism came about. This would provide...

PA
Answered by Phoebe A. Sociology tutor
3504 Views

How does phagocytosis work?

The phagocyte will be attracted to a pathogen and move to it via chemotaxis. The phagocyte then engulfs the pathogen. Once the pathogen is inside the phagocyte, it is enclosed in a phagosome (essentially ...

CW
Answered by Catherine W. Biology tutor
2767 Views

The equilibrium N2O4 (g) -->--< 2NO2 (g) is set up when N2O4 dissociates. When 0.0370 moles of N2O4 dissociates at 25 degrees in a 0.5dm3 sealed container, 0.0310 moles of N2O4 remains at equilibrium. Calculate the value of Kc for this reaction.

The first step is to formulate the Kc expression. Kc is the "concentration of the products / concentration of the reactants". We show concentration is in moldm-3 by using square brack...

HM
Answered by Harry M. Chemistry tutor
4697 Views

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