Sine(Sin) Cosine(Cos) Tangent(Tan) ---- -Sin of angle A=opposite leg of angle A / hypotenuse -Cos of angle A= Adjacent leg of angle A / Hypotenuse -Tan of angle A= opposite leg of angle A / Adjacent lef of angle A
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Given a unit circle (radius = 1) and a counterclockwise angle (theta) between the positive x axis, with the x-y coordinate of the point on the circle that the angle intersects, the three basic trigonometric ratios are... 1. sine (theta) is y 2. cosine (theta) is x 3. tangent (theta) is x / y
Sine and cosine.
There are a few ways. First, there are a multitude of trigonometric tables which list the sines and cosines of a variety of values. if you now one trigonometric value of a number, you can find all the others by hand, and you can also use a Taylor series approximation to find a fairly accurate value. (In fact, many calculators use Taylor series to find trigonometric values.)
The basic trigonometric functions have periods of pi or 2pi radians (180 or 360 degrees). But a key property of a trig function is that it can be made to have any periodicity.The basic trigonometric functions have periods of pi or 2pi radians (180 or 360 degrees). But a key property of a trig function is that it can be made to have any periodicity.The basic trigonometric functions have periods of pi or 2pi radians (180 or 360 degrees). But a key property of a trig function is that it can be made to have any periodicity.The basic trigonometric functions have periods of pi or 2pi radians (180 or 360 degrees). But a key property of a trig function is that it can be made to have any periodicity.