Question

answer the question of trigonometry
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Answer 1

Answer:

i)

$(\sqrt{2}* \sqrt{2} )(1/2*1/2+4*1-2*2)(2/\sqrt{3} *2/\sqrt{3} )\\(2*4/3)(1/4+4-4)\\8/3*1/4\\2/3$

ii)

9/32