Q2 (a) From the figure (1) given below, find the values of: 
 (i) sin B 
 (i) cos C 
 (iii) sin B + sin C 
 (iv) sin B cos C + sin C cos B. 
 
 
 (b) From the figure (2) given below, find the values of: 
 (i) tan x 
 (ii) cos y 
 (iii) cosec2 y - cot2 y 
 (iv) 5/sin x + 3/sin y - 3 cot y. 
 
                    
                    
            
            Solution
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