Directrix of a hyperbola is a straight line that is used in generating a curve. It can also be defined as the line from which the hyperbola... View Article
We have to find trigonmetric ratios for 540 degrees sin 540 = sin (180 + 360) = sin 180 = 0 cos (540) = cos (180 + 360) = -1 tan 540 = tan... View Article
We have to simplify tan x /sec x tan x /sec x We will express sec x and tan x in terms of sin and cos tan x /sec x = sin x / cos x / 1/... View Article
Equilateral triangle is the one where all sides are equal and have an equal angle. The internal angles of the equilateral triangle are also the... View Article
Both the domain and range are all real numbers except for zero. DomainThe set of all possible values which qualify as inputs to a function is... View Article
The given expression is y=cos(3x) Differentiate the above expression with respect to x and find the first derivative: y'=dy/dx(cos 3x) y'=-3sin 3x... View Article
We know that tan can be expressed as tan x = sin x / cos x tan (90+x) = sin (90+ x) /cos (90+x)------(i) USing identity sin(90 + X) = sin(X)... View Article