Evaluate: ((2×sin 43)/(cos 47))-(cot 30/tan 60) -((root 2)× sin45).
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cos47= sin43(cosA =sin(90-) ) =x
cotA= 1/tanA cotA= tan(90-A)
sin45= 1/√2
2×x/x - cot30/cot30 - √2×1/√2
2-1-1= 0
cotA= 1/tanA cotA= tan(90-A)
sin45= 1/√2
2×x/x - cot30/cot30 - √2×1/√2
2-1-1= 0
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