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Year 10 Maths Advanced Trigonometry

Finding Unknown Sides

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Question 1
112921

In \(\Delta LMN,\, \angle LNM=21^\circ 4',\,LM=4.2\) and \(LN=x\).

Find \(x\) correct to one decimal place.

Trigonometry 112921A right-angled triangle.LLMMNN
11.7
 (1 d.p.) 2 marks

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