a Search the web 3 Introduction to solub x M MAT 128 Trigono

a Search the web (3) Introduction to solub x M MAT 128 Trigonometry x Take a Test lrene zemla x C Secure https://www.mathxl.com/Student/PlayerTest aspx?testld 153275869 Quiz: Lab 10: Polar Functions This Question: 1 pt The graph of 1 sin 0 is called a cardoid because heart shaped Find polar equator of another cansod, whose graph is shown below O B. 1. sin O D. 1 cos (t)

Solution

As Shown in the polar coordinate graph,

At 0 degree, r = 0,

At 90 (Pi/2) degree, r = 1

At 180 (Pi) degree, r=2.

At 270(3Pi/2) degree, r= 1,

At 360 (2Pi) degree , r=0.

These conditions will be true with the trigonemetric function \"1 - Cos(t)\".

Therefore, answer is \'A\' option