Search our library of homework questions

Top answers

All subjects

All levels

Find tan(A-B) sec^2(A) - 2tan(A) = 16 && sin(B)sec^2(B) = 64cos(B)cosec^2(B)

@tan(A) = 5, tan(B) =4, tan(A - B) = 1/21

@tan(A) = -3, tan(B) = 4, tan(A - B) = 7/11

I can demonstrate how the answers can be obtained during the session.

Answered by Fedor S. • Maths tutor

2950 Views

What could cause a rise in the demand for University places?

Can be anything reasonable that indicates a shift in demand, e.g. greater perceived returns to education. Incorrect answers are supply-side based answers, e.g. Government makes the cost of University chea...

Answered by Christopher L. • Economics tutor

1731 Views

Give one example of perfect and imperfect substitutes.

Perfect substitute could be anything like: Pepsi and Coca-Cola, PG Tips and Typhoo etc. Imperfect substitute can be things like: Tea and Coffee, Beer and Wine.

Answered by Christopher L. • Economics tutor

16041 Views

There are 892 litres of oil in Mr Aston’s oil tank. He uses 18.7 litres of oil each day. Estimate the number of days it will take him to use all the oil in the tank.

Estimate, so: 900 litres, and 20 litres per day. 900/20 = 45 However, any estimation that results in an answer between 44-56 is acceptable.

Answered by Christopher L. • Maths tutor

8500 Views

This exam seems different from the style of A-level English, how best should I prepare for this exam?

Everyone learns differently, but for the ELAT I would suggest a few things as key to anyone's preparation. First and foremost it is important to make sure you are comfortable with unseen passages, and ana...

Answered by TERESA R. • ELAT tutor

2135 Views