Pertanyaan

Nilai dari sin 5 0 0 + sin 4 0 0 cos 5 0 0 + cos 4 0 0 adalah ...

Nilai dari $\frac{cos 5 0 ^{0} + cos 4 0 ^{0}}{sin 5 0 ^{0} + sin 4 0 ^{0}}$ adalah ...

1
0
-1

S. Nur

Master Teacher

Jawaban terverifikasi

Pembahasan

$fraction numerator cos space 50 to the power of 0 space end exponent plus space cos space 40 to the power of 0 over denominator sin space 50 to the power of 0 space plus space sin space 40 to the power of 0 end fraction equals fraction numerator cos space open parentheses 90 to the power of 0 minus 40 to the power of 0 space end exponent close parentheses plus space cos space 40 to the power of 0 over denominator sin space open parentheses 90 to the power of 0 minus 40 to the power of 0 space end exponent close parentheses plus space sin space 40 to the power of 0 end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals fraction numerator sin space 40 to the power of 0 plus cos space 40 to the power of 0 over denominator cos space 40 to the power of 0 plus sin space 40 to the power of 0 end fraction equals 1$