kingfptduong
28.11.2019 •
Mathematics
An equation is given. (enter your answers as a comma-separated list. round terms to three decimal places where appropriate. if there is no solution, enter no solution.) cos θ 2 − 1 = 0 (a) find all solutions of the equation.
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Ответ:
1. sinθ = y/r (opposite/hypotenuse) = 1/cscθ
2. cosθ = x/r (adjacent/hypotenuse) = 1/secant θ
3. tanθ = y/x (opposite/adjacent) = 1/cotθ