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Express 4sinx-cos(pi/2 - x) as a single trignometric function

The cos(pi/2-x) is equivalent to sinx because the cosx graph is just the sinx graph but shifted to the left by a phase difference of pi/2 radians, and cos(pi/2 - x) is also shifting the cosx graph to the ...

RD
Answered by Rabia D. Maths tutor
5685 Views

Some characters act as intermediaries between others, helping the reader understand the nature of the characters they link. In at least two works you have studied, compare the roles of such intermediary characters, and the effects achieved.

INTRODUCTION: Intermediary characters link two other characters to portray their true nature by highlighting the two characters' similarities and differences. In F. Scott Fitzgeralds novel The Great G...

AA
2324 Views

Describe the Structure of a DNA molecule

A DNA molecule is double stranded and arranged in a helical structure. The two strands are made up of a sugar phosphate 'backbone' where the sugar is attached to a base and a phosphate group, the sugar is...

AO
Answered by Adam O. Biology tutor
1417 Views

Where in the nephron does osmoregulation occur?

In the Loop of Henle. Here a salt gradient is established as the loop of Henle is permeable to both water and salts such as sodium.

Answered by Biology tutor
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Osmosis and diffusion are both examples of passive transport. Describe another similarity and a difference.

Neither diffusion or osmosis require an input of energy and result from molecules moving from an area of high concentration to low concentration. This is movement down the concentration gradient.All gasse...

ET
Answered by Ellen T. Biology tutor
8974 Views

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