Select all that apply. solve for x , 0 < x < 360; cos 2x + cos^2 x = 1 answer choices 35 145 215 325

All options are correct

Step-by-step explanation:

1. Note that

2. Substitute previous expression into the equation:

3. If 0° < x < 360°, then

;

All options are true.

Or you can solve this equation graphically. Plot the graph of the function that represents the left side of the equation and the graph of the function that represents the right side of the equation. their common points are solutions.

an altitude of 15,000 feet

step-by-step explanation:

stops on an even number.