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January 2012

January 18, 2012

Maths A Level Example: Know Your Parameters.....

Query (submitted to our Help Line by TROC):

If x=sinθ and y=cos2θ, find d2y/dx2.

Response:

 

Posted at 09:24 in 1:2:1 Video Clip, Age Range: 16+, Focus: Pure Maths | | Comments (0) | TrackBack (0)

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January 02, 2012

Maths GCSE Higher example: Awkward Change Of Subject.....

Query: Can you demonstrate how to change the formula 1/p = 2/q + 3/r , to make 'r' the subject?

Response:

Maths GCSE Higher worked example illustrating techniques required at this level. The original question was submitted as a query to our maths help line. Solution prepared by David Hopkins.

Posted at 09:08 in Age Range: 11-16, Focus: Algebra & Graphs, Phase: GCSE Higher | | Comments (0) | TrackBack (0)

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