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Further Mathematics
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Explain why the equation tanx + cotx = 1 does not have real solutions.

First of all, we need to express tangent and cotangent in terms of sine and cosine using the identities: tanx = sinx / cosx and cotx = cosx / sinx. Substituting these expressions into the initial equation...

SV
14474 Views

How does proof by induction work?

If I gave you an infinitely tall ladder and asked you to prove to me that there are no rungs missing from the ladder, you wouldn't start to check the ladder rung by rung to see if they are all there, you'...

SJ
2488 Views

How can I find the equation of a straight line on a graph?

One good way is to use the formula y - y1 = m(x - x1)where (x1,y1) is a point on the line and m is the gradient of the line. This is derived from the definitio...

MB
4093 Views

Integrate cos(log(x)) dx

There are several approaches to integrating this function, thus making this a valuable exercise for students needing to develop fluency with the various techniques of integration and practise dealing with...

SB
3580 Views

Integrate the function f(x) = x ln (x) over the interval [1,e].

This problem can be solved using integration by parts (IBP), although using IBP multiple times:BASIC IBP METHOD: given an expression integral(u dv) where ...

JH
3358 Views

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