SOLUTION: Solve the equation for the interval [0,2л):
(sin2x+cos2x)²=1
PLEASE HELP ME!!!!!
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Question 181754: Solve the equation for the interval [0,2л):
(sin2x+cos2x)²=1
PLEASE HELP ME!!!!!
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
First, you need whatever is in the parentheses to be either
or , since
and
If I chart the equation
-----------------------
x --- 2x --- (sin2x + cos2x)
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--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
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It looks like there are values of
that solve the equation
Another way to write the solution is:
for = to
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