Pertanyaan

Hasil dari cos 3 8 π + sin 39 0 ∘ + tan 3 14 π = ….

Hasil dari $cos \frac{8 π}{3} + sin 39 0^{\circ} + tan \frac{14 π}{3} =$ ….

S. Nur

Master Teacher

Jawaban terverifikasi

Pembahasan

$cos invisible function application fraction numerator 8 pi over denominator 3 end fraction equals cos invisible function application 480 degree rightwards double arrow cos invisible function application 480 degree equals cos invisible function application 120 degree equals negative 1 half sin invisible function application 390 degree equals sin invisible function application 30 degree equals 1 half tan invisible function application fraction numerator 14 pi over denominator 3 end fraction equals tan invisible function application 840 degree rightwards double arrow tan invisible function application 840 degree equals tan invisible function application 120 degree equals negative square root of 3 cos invisible function application fraction numerator 8 pi over denominator 3 end fraction plus sin invisible function application 390 degree plus tan invisible function application fraction numerator 14 pi over denominator 3 end fraction equals negative 1 half plus 1 half minus square root of 3 equals negative square root of 3$