B 4(3-1) cm 32+4 cm A750 The diagram shows a triangle ABC in which AB=4(/3–1) cm, BC= 3/2+4cm, ZBAC = 75= and ZBCA = 0. Given that sin 75° =(V3+1), find, without using a calculator, the valu of sin 8 in the form of a+bV2 where a and b are integers.

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