EVALUATE : 4 -sin 30o +tan 45o -cosec 60o sec 30o +cos 60o +cot 45o
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4- 1/2 +1 - 2/root3 * 2/root3+1/2+1
=4+1-4/3+1
=6-4/3
=(18-4)/3
=14/4
=4+1-4/3+1
=6-4/3
=(18-4)/3
=14/4
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