Question: Ney 3 100% + Question 4 (a) Using the diagram in Figure 1 and the cosine rule, write down an expression for the length of

Ney 3 100% + Question 4 (a) Using the diagram in Figure 1 and the cosine rule, write down an expression for the length of the side labelled j. Q Figure 1 Diagram for Question 4 (1 mark) (b) If the lengths of side k and q are 45.0 cm and 21.2 cm respectively, and angle K is 99.0 and Q is 50.0, calculate the length of side j to two significant figures. (4 marks) Question 5 (a) Solve the following: 3x 3 dx W O F11 $12 ort ser 10 f9 insert 17

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