diketahui tan alfa=akar 2 Hitunglah sin, cos, cort, sec, csc
Matematika
mariagoretiln
Pertanyaan
diketahui tan alfa=akar 2 Hitunglah sin, cos, cort, sec, csc
1 Jawaban
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1. Pengguna Menjawab Anonym
tanA = √2 → y = √2 dan x = 1
r = √(y² + x²) = √(√2² + 1²) = √3
sinA = y/r = √2/√3 = (1/3)√6
cosA = x/r = 1/√3 = (1/3)√3
cot = x/y= 1/√2 = (1/2)√2
sec = r/y = √3/√2 = (1/2)√6