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Sine and Cosine rule worksheet

Overall rating 3 out of 53.3 (8 ratings)

Last updated 10 May 2013, created 22 August 2011, viewed 15,359

A worksheet with a mix of sine and cosine rule questions, students have to work out which to use.

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  • Word documentWorksheet
    sine and cosine rule.docx (264kb, Word document)
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Terrible resource: Cosine rule is quoted incorrectly Second example is just an isosceles triangle which makes the Sine rule redundant Some questions lead to forming a quadratic in x, only solvable by the quadratic formula...surely not what was intended.

from sbuksh, 10 May 2013
(report comment) 1 out of 5

Thanks - as person before said, made life easier than starting from scratch.

from numberwhizz, 07 February 2013
(report comment) 4 out of 5

very good resource the cos c bit is easily corrected beats starting from scratch any day

from reckdun, 18 November 2012
(report comment) 5 out of 5

'c² = a² + b² - 2abcosA' should be 'c² = a² + b² - 2abcosC'!

from Kevald, 25 September 2012
(report comment) 3 out of 5

The triangles are not right-angled because the whole point of the sine and cosine rule is to work out sides/angles of non-right-angled triangles.

from emanjii, 14 May 2012
(report comment) 3 out of 5
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Ben Cooper (coops-online.co.uk)"s avatarBen Cooper (coops-online.co.uk)

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