Answer (1 of 11): What is a "tangent"? It is a line that intersects a circle at only one poimt. Then what is the "TAN" function? It is a function, that returns the slope of the tangent line for a given angle relative to a zero angle. With the "slope" of the tangent line and the point of intersect
What is sin in maths? - Quora
How to find an approximate value for sin x if it's an extremely large angle (like 90 degrees) - Quora
How to know that cos ((4/3) pi) = -1/2? How can the length of the adjacent be negative - Quora
How to find the sin of any angle - Quora
If 0°≤x≤90° and cos x-0.5=0, what does x=? - Quora
If sin theta =-1/2, how would one find the value of theta between 0° and 360°? - Quora
On a certain calculator, the tan^-1 function returns a value between -90° to +90°, in what cases will this correctly and incorrectly state the direction of the vector by giving an angle
Is tan 90 undefined or infinity? - Quora
Why is the range of the arcsin function restricted only within 90<=x<=270 degrees? - Quora