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1.4 Trigonometry

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Question 5

75%

In triangle $A B C$ , side $AB\,$ has length 8cm, side $BC\,$ has length 7cm and side $AC\,$ has length 6cm.

a.

Find the size of angle $A B C$ .

[3]

b.

Find the area of triangle $A B C$ .

[2]

1.4 Trigonometry Questions

A Level
Maths
1.4 Trigonometry