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