Mathematics, 01.09.2021 15:40 loraross77
Giải phương trình đẳng cấp bậc hai đối với sinx, cosx
a) 2.sin²x +sin2x =2
b) cos²x -sin²x - 2√3 .sinx. cosx =1
c) √3. sin²x+ (1-√3).sinx. cosx- cos²x + 1 - √3 =0
Answers: 2
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Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries
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Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
Answers: 3
Giải phương trình đẳng cấp bậc hai đối với sinx, cosx
a) 2.sin²x +sin2x =2
b) cos²x -si...
b) cos²x -si...
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