cos60-cot45+cosec30/sec60+tan45-sin30
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cot 60 = 1/√3
cot 45 =1
cosec 30 = 2
sec 60 = 2
tan 45 = 1
sin 30 = 1/2
cos60 - cot45 + cosec30/sec60 + tan 45 - sin30
=> 1/√3 -1 + 2/2 + 1 - 1/2
=> 1/√3 - 1/2 +1
=> 2 -√3 +2√3 / 2√3
cot 45 =1
cosec 30 = 2
sec 60 = 2
tan 45 = 1
sin 30 = 1/2
cos60 - cot45 + cosec30/sec60 + tan 45 - sin30
=> 1/√3 -1 + 2/2 + 1 - 1/2
=> 1/√3 - 1/2 +1
=> 2 -√3 +2√3 / 2√3
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