SOLUTION: Write the expression in terms of cos(x)... cos^4(x)-sin^4(x)+sin^2(x)

Question 973695: Write the expression in terms of cos(x)... cos^4(x)-sin^4(x)+sin^2(x)

Answer by FrankM(1040) (Show Source): You can put this solution on YOUR website!

First, you should be very familiar with

But recognize that the first to term add to 1. So

and this reduces as well. to just

Graphing software can be useful to check your answer to this type of problem.
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