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Sagot :
Answer:
1. 1cos
3. circle 360º
4.Negative Angles
5.Plane Angle
Step-by-step explanation:
1.The reciprocal cosine function is secant: sec(theta)=1/cos(theta). The reciprocal sine function is cosecant, csc(theta)=1/sin(theta).
3.One radian is the central angle that subtends an arc length of one radius (s = r). Since all circles are similar, one radian is the same value for all circles. The arc measure of the central angle of an entire circle is 360º and the radian measure of the central angle of an entire circle = 2π.
4.Negative Angles: Negative angles are angles such that their initial side is the positive x-axis and their “terminal” side is determined by turning in a clockwise direction. Co-Terminal Angles: are angles whose terminal sides fall on the same line.
5. A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle in which one full rotation is 360 degrees. It is not an SI unit—the SI unit of angular measure is the radian—but it is mentioned in the SI brochure as an accepted unit.
YUNG 2 DIKO ALAM TY
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