Question

упростить вырождение​

Answer 1

$tan(a)cot(a)-(cot(a)sin(a))^{2} \\tan(a)*\frac{1}{tan(a)} -(\frac{cos(a)}{sin(a)} *sin(a))^{2} \\1-cos(a)^{2} \\sin(a)^{2}$Ответ: $sin(a)^{2}$

Answer 2

Ответ:
tan(a) cot(a) - (cot(a)sin(a))^2
tan(a)*1/tan(a)-(cos(a)/sin(a)*sin(a))^2
1 - cos (a)^2
sin(a)^2
/ - дробь