Was ist sec 180-Grad?

Antworten:

-11

Erläuterung:

"using the "color(blue)"trigonometric identity"using the trigonometric identity

•color(white)(x)sectheta=1/costhetaxsecθ=1cosθ

cos180^@=-1cos180=1

rArrsec180^@=1/(-1)=-1sec180=11=1