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It is given that sin(x) = 1/2. Find the value of sec(x)

x = 30ºcos(30) = √3/2sec(30) = 2/√3 or 2√3/3
AH
Answered by Alex H. • Maths tutor
3579 Views

Describe the process of natural selection.

Within any population, there is naturally variation between organisms because they all have differences in their genes. The organisms that are best suited to the environment that they live within are most li...
OA
Answered by Ollie A. • Biology tutor
7504 Views

How do I structure a 30 mark essay question?

When structuring a 30 mark question, prepare for the question to sometimes be split in to two main sections. For example "Explain how aggressive male behaviour is shown in this extract" followed by...
PB
55252 Views

What are the main literary devices and what effect do they have?

There are various literary devices a writer can use in their work. These are usually used to improve the quality of a description and to achieve desired effects. Keep an eye out for writers using these in th...
MV
Answered by Maya V. • English tutor
5310 Views

A piggy bank contains 200 coins, 1/4 of these are 1p coins, 100 of these are 5p coins and the rest are 10p coins, how much is the piggy bank worth in £s?

The piggy bank contains a total of 200 coins, 1/4 of this is 50, this means the piggy bank must contain 50 1p coins, we can convert this to £s by dividing by 100, which gives us £0.01 which we can times by 5...
HO
Answered by Henry O. • Maths tutor
3826 Views