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A triangle has sides a,b,c and angles A,B,C with a opposite A etc. If a=4,b=3,A=40, what is the area of the triangle?

First use the sine rule (that a/sin(A)=b/sin(B)=c/sin(C)) to find the value of B. a/sin(A)=b/sin(B) so B=arcsin(b sin(A)/a) which is approximately equal to 28.82. Since the angles of a triangle have 180 degr...
Answered by • Maths tutor
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Discuss what psychological research has told us about why people conform.

This is a long question that wants critical thinking. Discuss means that you have to talk about both sides of the argument.Introduce the concept of conformity - a type of social influence involving a change ...
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Answered by Martin E. • Psychology tutor
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When do I use the present subjunctive in Spanish?

"The subjunctive" tends to create a sense of dread amongst language students, however with practice it begins to feel natural!· Firstly, the structure that is always followed by the present subjunc...
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Answered by Jenny K. • Spanish tutor
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Louis XVI was personally responsible for the Outbreak of the French Revolution? Discuss?

Louis XVI was personally responsible for the Outbreak of the French Revolution? Discuss? This is a typical Pre U question on the origins and course of the French Revolution, however it is also relevant to A ...
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Answered by Harry B. • History tutor
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How do I approach analysing an unseen poem?

Unseen poems can seem a daunting concept but are easy to tackle when you break the poem down into simple steps. First, you want to look at form: Look at the poem on the page before you even read it Ask yours...
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