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sin30+tan45-cosec45/sec30+cos60-cot45
=(1/2+1-√2)/(2+√3/2-1)
=(1+2-2√2)/(4+√3-2)
=(3-2√2)/(2+√3)
=(3-2√2)(2-√3)/(2+√3)(2-√3)
=(3-2√2)(2-√3)/(4-3)
=6-3√3-4√2+2√6
=(1/2+1-√2)/(2+√3/2-1)
=(1+2-2√2)/(4+√3-2)
=(3-2√2)/(2+√3)
=(3-2√2)(2-√3)/(2+√3)(2-√3)
=(3-2√2)(2-√3)/(4-3)
=6-3√3-4√2+2√6
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