Exercise 2.1
Question 1. Find the principal values of the following :
Question 2. Cos-1(root 3/2)
Question 3. Cosec-1(2)
Question 4. tan-1(- root 3)
Question 5. Cos-1(-1/2)
Question 6. tan-1(-1)
Question 7. sec-1(2/root 3)
Question 8. cot-1(root 3)
Question 9. cos-1(-1/root 2)
Question 10. cosec-1(- root 2)
Question 11. tan–1 (1) + cos–1 (-1/2) + sin-1 (-1/2)
Question 12. Cos-1(1/2) + 2Sin-1(1/2)
Question 13. If sin–1 x = y, then
Question 14. tan-1 root (3) – sec–1 (–2) is equal to
Exercise 2.2
Question 1. Prove the Following
Question. Find the value of each of the expressions in Questions 16 to 18.
Miscellaneous Exercise
Question 1. Find the value of the following.
Related Articles: