Use a Graphing Device to Find the Maximum and Minimum $y = \cos x + \sin 2 x$

question 91

Essay

Use a graphing device to find the maximum and minimum values of the function $y = \cos x + \sin 2 x$
.

---

Definitions:

Plant Cover

The layer of vegetation that covers the ground, which can reduce soil erosion and provide habitat for wildlife.

Transpiration

Evaporation of water from aboveground plant parts.

Polar Latitudes

Regions near the poles of the Earth, characterized by extreme cold and seasonal variations in daylight.

Equatorial Latitudes

The region near the equator, characterized by a hot climate year-round due to receiving the most direct sunlight.