kharmaculpepper
09.03.2021 •
Mathematics
A football player kicked the ball from on top of a platform. The flight of a kicked football follows the quadratic function f(x) = - 0.02x ^ 2 + 2.2x + 12 f(x) is the vertical distance in feet and the horizontal distance the ball travels. which is the highest point the football will reach, in feet? Round to one decimal place.
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Ответ:
cos y = t/8
Step-by-step explanation:
tan y = (sin y) / (cos y)
Solve for cos y:
cos y = (sin y) / (tan y)
Substitute:
cos y = (s/8) / (s/t)
Multiply by reciprocal:
cos y = (s/8) (t/s)
Simplify:
cos y = t/8