# What is the maximum value that the graph of #sin^4x+cos^4x#?

##### 1 Answer

Apr 20, 2016

The maximum value is

#### Explanation:

# = 1-2sin^2xcos^2x#

Notice that

Also note that for some

Apr 20, 2016

The maximum value is

# = 1-2sin^2xcos^2x#

Notice that

Also note that for some