Diketahui cosec Q=√3tentukan sin Q,cos Q,tan Q
Jawab:
Penjelasan dengan langkah-langkah:
trigonometri
perbandingan
__
soal
cosec Q = √3 = √3/1 = r/y
r= √3 , y = 1 dan x² = r² – y²
x² = (√3)² -(1)² = 3- 1 = 2
x= √2
sin Q = y/r = 1/√3 = ¹/₃ √3
cos Q = x/r = √2 / √3 = ¹/₃ √6
tan Q = y/x = 1/√2 = ¹/₂ √2
cosec = miring / depan
maka
samping =
sin Q = depan/miring =
cos Q = samping/miring =
tan Q = depan/sampaing =