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