14.3.4. Rose
The equation for a rose can be written in the forms: r = a cos(n θ) or r = a sin n θ) where a and n are natural numbers. Enter one equation per line.
Examples
Sketch the graphs of the equations below and hit enter after each one.
1. r = 4 sin 5 θ
2. r = 3 cos 8 θ
3. r= 2 sin 20 θ
Calculator solutions
Enter each of the following. Type θ by tapping the x variable key five times.
1) 4 sin 5 θ
2) 3 cos 8 θ
3) 2 sin 20 θ
Examples
Sketch the graphs of the equations below and hit enter after each one.
1. r = 4 sin 5 θ
2. r = 3 cos 8 θ
3. r= 2 sin 20 θ
Calculator solutions
Enter each of the following. Type θ by tapping the x variable key five times.
1) 4 sin 5 θ
2) 3 cos 8 θ
3) 2 sin 20 θ
To look at each graph individually, enter one equation per workspace. Adjust the r-axis fixed scale to resize the graph. Set it to a smaller value (e.g. 1, 0.5, 0.3) to enlarge the scale or set it to a higher value (e.g. 3, 5) to reduce it.
