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Given that y = cosh^-1 (x) , Show that y = ln(x+ sqrt(x^2-1))

Have a picture of full working with annotation to go through during interview.Here is rough outline:y = cosh -1 (x)x = cosh(y)x = (e y +e -y )/22x = e y +e -y e y +e -y -2x = 0Turn into hidden quadratic by m...
MW
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Compare the presentation of female experience in your 2 chosen texts?

In both Mrs Dalloway and Wuthering Heights – Woolf and Bronte respectively use different avenues to present the experience of females most notably through the characters of Clarissa and Catherine respectivel...
FA
Answered by Fisayo A. English tutor
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outline one biological explanation for schizophrenia (4 marks)

One biological explanation for Schizophrenia is the Dopamine hypothesis. This proposes the idea that here is an excess amount of D2 receptors that causes the brain to release more dopamine as it believes mor...
MK
7661 Views

What is the integral of 2x^5 - 1/4x^3 - 5

Integrating is essentially the opposite of differentiating.x n --> x n+1 We add 1 to the power and re-introduce variables where they have been eliminated potentially k --> kxWe must also take into acco...
JS
Answered by Joshua S. Maths tutor
3883 Views

What factors influence development?

Development means countries changing and becoming more advanced. PHYSICAL FACTORS INFLUENCING DEVELOPMENT Climate -countries with unstable climates struggle to develop e.g. countries in the Sahel prone to dr...
LL
Answered by Luegi L. Geography tutor
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