Asked by Nevaeh
A skier skis along a circular ski trail that has a radius of 1.3 km. The skier starts at the East side of the ski trail and travels in the CW (clockwise) direction. Let
θ
represent the varying number of radians the skier has swept out in the CW direction.
Write an expression (in terms of
θ
) to represent the skier's distance to the East of the center of the ski trail (in km).
1.3cos(theta)
Correct
Write an expression (in terms of
θ
) to represent the skier's distance to the North of the center of the ski trail (in km).
1.3sin(theta)
Incorrect
Ok what was wrong with the last one.
θ
represent the varying number of radians the skier has swept out in the CW direction.
Write an expression (in terms of
θ
) to represent the skier's distance to the East of the center of the ski trail (in km).
1.3cos(theta)
Correct
Write an expression (in terms of
θ
) to represent the skier's distance to the North of the center of the ski trail (in km).
1.3sin(theta)
Incorrect
Ok what was wrong with the last one.
Answers
Answered by
oobleck
theta is measured clockwise.
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