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Nilai dari cosec 1.05 0 ∘ sin 60 0 ∘ cot 66 0 ∘ adalah ...

Nilai dari $cosec 1.05 0^{\circ} sin 60 0^{\circ} cot 66 0^{\circ}$ adalah ...

S. Nur

Master Teacher

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$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell cos e c space 1.050 degree times sin space 600 degree times c o t space 660 degree end cell row blank blank blank row blank equals cell cos e c space left parenthesis 3 times 180 degree minus 30 right parenthesis times sin space left parenthesis 2 times 360 degree minus 60 degree right parenthesis times c o t space left parenthesis 2 times 360 minus 60 degree right parenthesis end cell row blank equals cell negative cos e c space 30 degree times left parenthesis negative sin space 60 degree right parenthesis times left parenthesis negative c o t space 60 degree right parenthesis end cell row blank equals cell negative 2 times fraction numerator square root of 3 over denominator 2 end fraction times fraction numerator 1 over denominator square root of 3 end fraction end cell row blank equals cell negative 1 space. end cell row blank blank blank end table end style$