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Mathematics 9 Online
OpenStudy (anonymous):

sin^2 (x) - cos^2 (x) = 0

OpenStudy (anonymous):

That is a statement, not a question. What are you trying to find?

OpenStudy (eyust707):

Find the angle x

OpenStudy (anonymous):

Solve each equation on the interval [0, 2pi)

OpenStudy (eyust707):

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