Unit: 1.1.1 (b)Function

Exercise: 1.1.1. (b) 1. (a) Write the maximum and minimum values of . Solution: The maximum and minimum values of are +1 and -1 respectively. 1. (b) Write the maximum and minimum values of Solution: The maximum and minimum values of are +1 and -1 respectively. 1. (c) Write the maximum and minimum values of . Solution: The maximum and minimum values of are and respectively. 2. (a) Write the period of Solution: The period of is . 2. (b) Write the period of Solution: The period of is . 2. (c) Write the period of Solution: The period of is 3. (a) Draw the graph of Solution: Given, Let us take the values of x differing 90° and corresponding values of y for . The maximum and minimum values of are 1 and respectively. 3. (b) Draw the graph of Solution: Given, Let us take the values of x differing 90° and corresponding values of y for The maximum and minimum values of are 1 and respectively. Now, 3. (c) Draw the graph of Solution: Given, Now, 3. (d) Draw the graph of Solution: Given, 4. Study the topic 'sound' in physics of your science book and find the nature of longitudinal wave. Relate this concept with trigonometric function. Solution: The nature of longitudinal wave is like the graph of sine function.