Jawaban:
sin X = (✓329) / 27
tan X = (✓329) / 20
Penjelasan dengan langkah-langkah:
cos x = 20 / 27
cos x = sisi bawah / sisi miring
sisi bawah = a = 20
sisi miring = c = 27
c^2 = a^2 + b^2
27^2 = 20^2 + b^2
729 = 400 + b^2
b = ✓329
sin X = b / c
tan X = b / a
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Jawaban:
sin X = (✓329) / 27
tan X = (✓329) / 20
Penjelasan dengan langkah-langkah:
cos x = 20 / 27
cos x = sisi bawah / sisi miring
sisi bawah = a = 20
sisi miring = c = 27
c^2 = a^2 + b^2
27^2 = 20^2 + b^2
729 = 400 + b^2
b = ✓329
sin X = b / c
sin X = (✓329) / 27
tan X = b / a
tan X = (✓329) / 20