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Mathematics, 10.07.2019 01:50 cheerthi16
Which expression equals 1? a. sin(x) + cos(x) b. sin^2(x) + cos^2(x) c. sin^2(x) - cos^2(x) d. sin(x) - cos(x)
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Which expression equals 1? a. sin(x) + cos(x) b. sin^2(x) + cos^2(x) c. sin^2(x) - cos^2(x) d. sin...
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