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