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Solve for x (where 0<x<360) 2sin^2(x) - sin(x) - 1 = 0

Factorise the equation (the equation is quadratic in sin(x) )2 sin²(x) - sin(x) - 1 = 0(2sin(x) + 1)(sin(x) - 1) = 0Work out the solutions to the quadratic equation2sin(x) +1 = 0 or ...

Answered by • Maths tutor

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Frank buys a car at the start of 2015, for £12,000. Each year the value fo the car depreciates by 9%. What was the value of the car at the end of 2019?

The value of the car in 2019 would be £7488.39This is because you take the original value of the car, and multiply it by the multiplier (1.00-0.09)to the power of how many years have passed since the init...

Answered by Amy N. • Maths tutor

2589 Views

How do I structure a 40 mark essay answer?

The key things to remember in writing our essay are clarity, relevant case studies and having a clear line of argument throughout. To do so, we'll want to start by breaking down the given essay question. ...

Answered by Chloe R. • Geography tutor

8611 Views

Discuss the Blurred role of the the knight in La Belle Damn Sans Merci.

The poem La Belle Damn Sans Merci, is an ambiguous poem, with the blurred lines between roles. Is the knight a Hero or a Villain even a victim. This essay will asses how Keats has portrayed the knight.

Answered by • English Literature tutor

6163 Views

Jules buys a washing machine. 20% VAT is added to the price of the washing machine. Jules then has to pay a total of £600 What is the price of the washing machine with no VAT added?

Remember that we have two values here, the price of the washing machine BEFORE and the price AFTER the 20% VAT increase. The value AFTER the increase is 600. To get to the value before, you can't simply s...

Answered by Ahmed I. • Maths tutor

10906 Views