Pertanyaan

Hitunglah nilai-nilai dari bentuk berikut. c. cos 6 0 ∘ sin 12 0 ∘ tan 33 0 ∘ sin 3 0 ∘ tan 13 5 ∘ cos 22 5 ∘

Hitunglah nilai-nilai dari bentuk berikut.

c. $\frac{sin 3 0 ^{\circ} tan 13 5 ^{\circ} cos 22 5 ^{\circ}}{cos 6 0 ^{\circ} sin 12 0 ^{\circ} tan 33 0 ^{\circ}}$

R. Novianto

Master Teacher

Mahasiswa/Alumni Universitas Tanjungpura Pontianak

Jawaban terverifikasi

Pembahasan

$begin mathsize 14px style space space space space fraction numerator sin space 30 degree space tan space 135 degree space cos space 225 degree over denominator cos space 60 degree space sin space 120 degree space tan space 330 degree end fraction equals space fraction numerator sin space 30 degree space tan space open parentheses 180 degree minus 45 degree space close parentheses cos space open parentheses 180 degree plus 45 degree close parentheses over denominator cos space 60 degree space sin space open parentheses 180 degree minus 60 degree close parentheses space tan space open parentheses 360 degree minus 30 degree close parentheses end fraction equals space space fraction numerator sin space 30 degree open parentheses negative space tan space 45 degree close parentheses space cos space 45 degree over denominator cos space 60 degree space sin space 60 degree space open parentheses negative tan space 30 degree close parentheses end fraction space equals space space space fraction numerator begin display style 1 half end style times open parentheses negative 1 close parentheses times begin display style 1 half end style square root of 2 over denominator begin display style 1 half end style times begin display style 1 half end style square root of 3 times begin display style 1 third end style square root of 3 end fraction equals space space space fraction numerator negative begin display style 1 fourth end style square root of 2 over denominator begin display style 1 fourth end style end fraction equals negative square root of 2 end style$