Chapter 8: Q. 1 (page 527)
The difference formula for the sine function is.
The solution is.
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The amplitude A and period T of are ____ and ____ .
Solve each triangle.
The displacement d (in meters) of an object at time t (in seconds) is given as
(a) Describe the motion of the object.
(b) What is the maximum displacement from its resting position?
(c) What is the time required for one oscillation?
(d) What is the frequency?
A security camera in a neighborhood bank is mounted on a wall 9 feet above the floor. What angle of depression should be used if the camera is to be directed to a spot 6 feet above the floor and 12 feet from the wall?
Find an equation for the circle with center at the point and radius 3. Graph this circle.
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