SOLUTION: Write the expression in terms of cos(x)... cos^4(x)-sin^4(x)+sin^2(x)
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Question 973695
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Write the expression in terms of cos(x)... cos^4(x)-sin^4(x)+sin^2(x)
Answer by
FrankM(1040)
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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.