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Vivi
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MaxineI assume you are referring to the sine function of mathematics. That function is defined as the ratio of the length of the side of a right triangle opposite the angle Theta to the length of the hypotenus. When the right triangle is taken to its extreme where the opposite side is the same as the hypotenus, that is the hypotenus and the opposite side are coincident and equal, then the sine function is at its maximum value of 1 (the angle Theta is 90 degrees). When the angle Theta is negative 90 degrees, or 270 degrees, the opposite side is coincident with the hypotenus but directed down, the ratio of lengths is then -1, the minimum value of the sine of Theta.
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A vector A has components Ax 11 m and Ay 43 m What is the the angle that vector A makes with the x-axis?
Theata = Tan^-1(Ay/Ax) Theata = 75.7 deg
What is the value of sin 45?
= 1/sqrt(2) = 0.7071
What is the value of sin 90?
In radians; -0.8939966636 In degrees; -1, of course
What is the maximum value that the graph of ycosx assume?
Both the function "cos x" and the function "sin x" have a maximum value of 1, and a minimum value of -1.
What is the maximum value of cos square x - sin square x?
1
