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How do I know whether to use sin, cos, or tan in trigonometry?

Label the sides of your triangleHypotenuse is the longest (opposite right angle)Opposite is opposite the given angleAdjacent is next to the given angleTwo are useful, one is irrelevant. Cross out the one ...

CH
Answered by Charlie H. • Maths tutor
2725 Views

Why are there anachronistic elements in Anouilh's Antigone?

Firstly, it's important to establish what exactly an anachronism is:anachronism: something appropriate to a time period other than the one it exists inIn other words, if ...

KS
Answered by Kit S. • French tutor
2906 Views

Do French adjectives go before or after the noun?

One of the main differences between English and French is the adjective position - unlike in English, where the adjective comes before the noun (e.g we would say 'the green apple'), Frenc...

KS
Answered by Kit S. • French tutor
2055 Views

How do I deal with quadratic inequalities?

First of all, if not already done, you would arrange all the x's or whichever letter used on one side of the inequality. E.g. for x2+ 19x - 5 < 6x - 45 you would arrange it like: x2

AC
Answered by Asha C. • Maths tutor
2383 Views

Solve the following simultaneous equations: 2x-3y=16 x+2y=-6

First, label the two equations as follows:2x-3y=16 --> [1]x+2y=-6 --> [2]To obtain the same x value for both equations, [2]2: 2x+4y=-12 --> [3]Then, to eliminate the x values from both equati...

MH
Answered by Masaki H. • Maths tutor
2856 Views

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