1. What is the period of a function? Why trigonometric functions are periodic? 2. Show that cosine function is a periodic function. Find its period? 3. Range of secant and cosecant functions does not contain values between –1 and 1. Illustrate graphically? The range of both sine and cosine functions is the set of real numbers? Period of a trigonometric function is any real number which, when added to the original measure of the angle, gives the same value of the function?

Range of the function y= tan (x/7) is the set of all real numbers? Trigonometric functions are periodic functions? the graphs of trigonometric functions their domains and ranges can be checked. Graphs of the trigonometric functions with in their domain will be? To draw the graph of trigonometric functions, the points plotted can be joined by? For any real number there is one and only one value of each _____________ in a point on the terminal ray?

Period of trigonometric function is the _________ number which is when added to the function gives the same value? The trigonometric functions are _________ in a given interval? The tan x function is undefined at x where x is __________? Show that cosine function is a periodic function. Find its period? Range of secant and cosecant functions does not contain values between –1 and 1. Illustrate graphically? What is the domain of y = Cosec 4 x. Write its range?