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Mathematics, 21.06.2019 13:00
Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2
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Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?
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What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)
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