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