Wie vereinfacht man cot (x) * sec (x) cot(x)sec(x)?

Antworten:

csc(x)csc(x)

Erläuterung:

[1]" "cot(x)*sec(x)[1] cot(x)sec(x)

Quotient Identity: cot(x)=cos(x)/sin(x)cot(x)=cos(x)sin(x)

[2]" "=cos(x)/sin(x)*sec(x)[2] =cos(x)sin(x)sec(x)

Gegenseitige Identität: sec(x)=1/cos(x)sec(x)=1cos(x)

[3]" "=cos(x)/sin(x)*1/cos(x)[3] =cos(x)sin(x)1cos(x)

[4]" "=cancelcos(x)/(sin(x)cancelcos(x))

[5]" "=1/sin(x)

Gegenseitige Identität: 1/sin(x)=csc(x)

[6]" "=color(blue)(csc(x))