1. For the figure given on the right, the value of cot A is   c / b   cos C / sin C   a / c   tan C   sin A / cos A   Hint Half-n-half Clue   2. From the figure, the value of sin2 A + cos2 A is   b/a + c/b   1   (b/a + c/b)2   (a/b + c/b)2   a/b + c/b   Half-n-half Clue   3. From the figure given on the right, the value of sin A + cos A is   (a - b)/b   (a + c)/b   (a + b)/c   (a + b + c)/b   (b + c)/a   Half-n-half Clue   4. From the figure, the value of cosec A + cot A is   (b + c)/a   a/(b + c)   (a + c)/b   (a + b)/c   b/(a + c)   Half-n-half Clue   5. From the figure given on the left, the value of cos C is   c / b   b / c   b / a   a / b   c / a   Half-n-half Clue   6. From the figure, the value of cot C + cosec C is   (a + c)/b   (a + b)/c   (c + b)/a   a/c + c/b   c/a + b/c   Half-n-half Clue   7. For the figure given on the left, the value of sin C is   a / c   c / b   c / a   b / a   a / b   Half-n-half Clue