plz solve fast and answer
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Sin*2 73+cos*2(90-17)/cos*2 37+sin*2(90-53)
Sin*2 73+ cos*2 73/cos*2 37+sin*2 37
Sin*2theta+cos*2theta=1
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Sin*2 73+ cos*2 73/cos*2 37+sin*2 37
Sin*2theta+cos*2theta=1
1/1
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