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Mathematics, 26.07.2019 16:30 weston202
Show that cos2x + 1 = 2cos2 x. use the "^" key on the keyboard to indicate an exponent. for example, sin2 x would be typed as sin^2x.
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Show that cos2x + 1 = 2cos2 x. use the "^" key on the keyboard to indicate an exponent. for example,...
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