Jika diketahui cot=4/3. Tentukan nilai perbandingan trigonometri lainnya?

jawab

cot A = 4/3
tan  A= 1/cos A = 1/(4/3) = 3/4 = y/x
r² = x² + y²
r² = 4² + 3²
r = 5

sin A = y/r= 3/5
cos A = x/r = 4/5
sec A = 1/cos A = 5/4
cscA = 1/sin A = 5/3