Further Trigonometry: The sine sule

Subject: Mathematics

Qualification: GCSE

Section: Shape and Space

Source: BBC Bitesize

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The sine rule


We can use the sine rule to find the size of an angle or length of a side.

The sine rule is:




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We can use the sine rule when we are given:


  • Two sides and an angle oppsote to one of the two sides


  • One side and any two angles
2 of 2



Wow this is really helpful. I like the way you copied and pasted it from bbc bitesize.

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