(i) If , then which of the following is the value of x.

         (a) 1.6 (b) 2 (c) -1.3 (d) -1.7

Consider the figure having 4 identical squares.

(ii) Evaluate

(iii) Find the value of the angle

(i) Which of the following is the value of

(ii) If ,

then find the value of x.

(i) Find the value of  

(ii) If  , then show that

(iii) Hence find x, if for

(i) Evaluate [-0.3],where [x] denotes the greastest integer function of x.

(ii) Which of the following is the domain of the function ?

(iii) Write the domain of the function