Pertanyaan

Nilai dari 1 − tan 4 5 ∘ . tan 3 0 ∘ tan 4 5 ∘ − tan 3 0 ∘ adalah ….

Nilai dari $\frac{tan 4 5 ^{\circ} - tan 3 0 ^{\circ}}{1 - tan 4 5 ^{\circ} . tan 3 0 ^{\circ}}$ adalah ….

A. Acfreelance

Master Teacher

Jawaban terverifikasi

Pembahasan

$table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator tan space 45 degree minus space tan space 30 degree over denominator 1 minus tan space 45 degree. space tan space 30 degree end fraction end cell equals cell fraction numerator 1 minus begin display style 1 third end style square root of 3 over denominator 1 minus 1. begin display style 1 third end style square root of 3 end fraction end cell row blank equals cell fraction numerator 1 minus begin display style 1 third end style square root of 3 over denominator 1 minus begin display style 1 third end style square root of 3 end fraction end cell row blank equals 1 end table$