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Differentiate sin(5x) and 3cos(x) and 3tan(5x)

sin cos -sin -cos (down is differentiate and up is integrate) so, y = sin5x dy/dx = 5cos5x y=3cox dy/dx = -3sinx y=3tan5x dy/dx = 15sec 2 (5x) (remember sec(x) is the reciprocal of cos(x))
AC
Answered by Abi C. • Maths tutor
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Expand and simplify the following: 3(z + 6) – 2(4z + 1)

Expand the brackets: (3z + 18) - (8z + 2) Simplify: 16 - 5z
RW
Answered by Ryan W. • Maths tutor
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Does it matter which college I apply to?

The short answer is no, not really. Each colllege is different - the number of students in each year group, whether it's old or new, whether it's central or slightly outside of town. But that said, you will ...
CV
1968 Views

What should I write in a personal statement?

Personal statements explain why you are passionate about the subject you have applied for. So they might include what you have studied as part of your curriculum, and how this led you to explore your subject...
CV
2708 Views

Explain the advantages and disadvantages of the use, by the states, of initiatives/propositions

Allowing the population to force a plebiscite on an issue by gathering enough signatures is a very powerful tool that the American population have. However there are many concerns. The primary one being that...
MS
Answered by Matt S. • Politics tutor
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