Top answers

Write sin(4x) in terms of sin and cos.

4sinx(cosx)^3 - 4cosx(sinx)^3
ZA
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Find the equation of the tangent line to the graph of y=2x^4-7x^3+x^2+3x when x=5

y=-13x+12
ZA
Answered by Zyra A. • Maths tutor
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What is the difference between an etic and emic approach? What's an imposed etic?

The etic and emic approaches in psychology are used to understand cultural bias in the study of human behaviour. The distinction between the two was proposed by John Berry in 1969. An etic approach looks at ...
MH
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What is a gene?

A gene is a specific section of a chromosome that codes for a particular sequence of amino acids to make a protein.
Answered by • Biology tutor
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Example of 'Original Writing' -- The Power of Storytelling

Original Writing – Short Story opening: Carbon Neutral They had all agreed that 18 was the right age. Cobalt had long since recognised the streaks of grey in her parents’ hair, the lines around their eyes, a...
Answered by • English Language tutor
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