24 апр. 2015 г. · If theta corresponds to the point (x,y) on the unit circle, then: csc theta = 1/y sec theta = 1/x cot theta = x/y.

Продолжительность: 9:30
Опубликовано: 20 апр. 2017 г.

13 февр. 2015 г. · Start from the definitions: csc(x)= 1 sin(x) ; sec(x)= 1 cos(x) ; tan(x)= sin(x)cos(x) ; cot(x)= cos(x)sin(x)

Продолжительность: 11:24
Опубликовано: 5 мая 2020 г.

The formulas of csc sec cot are as follows: csc x = Hypotenuse / Perpendicular (OR) Hypotenuse / Opposite Side; sec x = Hypotenuse / Base (OR) Hypotenuse / ...

Продолжительность: 6:50
Опубликовано: 1 февр. 2012 г.

Start at ( 1 , 0 ) and go around counterclockwise on the unit circle until the central angle measures 120 degrees. Since 120 degrees is 90 degrees plus 30 ...

29 авг. 2020 г. · First find the sine of the angle and then take its reciprocal. For example if θ θ is the angle and ...

Trigonometric Functions: Unit Circle ; Sine, sin θ = y, Cosecant, csc θ = 1y ; Cosine, cos θ = x, Secant, sec θ = 1x.

20 июл. 2020 г. · For csc θ extend the terminal side of θ until it intersects the horizontal tangent to the circle drawn through (0, 1). Look at the resulting right triangle.