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Mathematics, 11.01.2020 17:31 rosie20052019
Which of the following are identities? check all that apply. a. sin^2x - cos^2x = 1 b. sin^2x = 1 - cos^2x c. tan^2x = 1 + sec^2x d. cot^2x = csc^2x - 1
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Which of the following are identities? check all that apply. a. sin^2x - cos^2x = 1 b. sin^2x = 1 -...
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