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How do I know which rule of trigonometry to apply in a question?

There are four trigonometry rules which you need to know: Pythagoras, SohCahToa, the cosine rule and the sine rule. The first two only work on right angle triangles, and the second two apply to non-right ...

Answered by Seb P. • Maths tutor

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How may theists respond to the philosophical 'Problem of Evil'?

The philosophical Problem of Evil is an A Priori argument (from definition/first principle). It states that it is logically impossible for the typical monotheistic God, presented...

Answered by Rithik H. • Religious Studies tutor

4183 Views

Find the values of X and Y from the simultaneous equations: 1) 2x + 5y = 33 2) x + 3y = 19

2x + 5y = 33 2) x + 3y = 19
multiply equation 2 by a factor of 2 giving you 2x + 6y = 38 Your two equation are now: 1) 2x + 5y = 33 3) 2x + 6y = 38
Subtract 3 from 1 to eliminate the x's ...

Answered by Chris C. • Maths tutor

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Identifiez les erreurs dans les phrases suivantes : Le caractère principe du bouquin s'appelle Thomas. L'histoire se déroule aux alentour de Paris dans le 20e siècle. Les grand thèmes sont plusieurs, y compris l'amour, le perte et l'isolation social.

'Caratère' in French is a false friend! It refers to the character of a person, not the character of a story or film. 'Personnage' should have been used instead.Problems with the prepositions here - the s...

Answered by Jacob H. • French tutor

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