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Why can we approximate sin (x) as x? Over what range is the approximation valid? Does it also work in degrees?

Traditionally, we might think of sin(x) as the ratio of the opposite side to the hypotenuse in a right angled triangle of angle x . We therefore draw a diagram of the right angled triangle with sides o, a, h...
KF
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What are the assumptions of the biological approach?

The biological approach has many assumptions founded on the expectation that behaviour can be explained in terms of our biological systems. More specifically, behaviour can be explained in terms of factors s...
LR
Answered by Lucy R. • Psychology tutor
7399 Views

By using partial fractions, integrate the function: f(x) = (4-2x)/(2x+1)(x+1)(x+3)

(4-2x)/(2x+1)(x+1)(x+3) = A/(2x+1) + B/(x+1) + C/(x+3) 4-2x = A(x+1)(x+3) + B(2x+1)(x+3) + C(2x+1)(x+1) let x = -1: 4-2(-1) = B(2(-1)+1)((-1)+3) 6 = B(-1)(2) B = -3 let x = -3: 4-2(-3)= C(2(-3)+1)((-3)+1) 10...
OF
Answered by Oliver F. • Maths tutor
9153 Views

Can you explain the Human Genome Project?

DNA sequencing technology has made great advancements in the recent years and allowed us to sequence bits of DNA. In other words, we now have the technology to determine the sequence of lengths of DNA at a n...
LY
Answered by Leila Y. • Biology tutor
2398 Views

Who is the villain in Shakespeare's 'Othello'

In Shakepeare's Othello , the boundaries between the antagonist and protagonist are blurred, meaning that there is no definite villain or tragic hero. Iago is often seen as the typical villain as he displays...
AH
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