Formulas of Inverse Trigonometric Functions
1) 2) 3) 4) 5) 6) 7)
1) 2) 3) 4) 5) 6) 7)
1) 2) 3) 4) 5) 6) 7) 8)
1) 2) 3) 4) 5) 6)
1) If denotes in-radius, then 2) Circum radius is given by 3) If denotes radii, then 4) 5) In an equilateral triangle
Consider the triangle, having the angles and sides as shown in the figure. 1) Law of Sine is 2) Laws of Cosine are or or or 3) Laws of Tangent are HALF ANGLE FORMULAS Consider that and are sides and angles of , as shown above, also if (i) (ii) […]
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. Period of and is, whereas period of and is . If is any integer, then 23. 24. 25. 26. 27. 28.
1) 2) 3) 4) 5) 6) 7) Signs of trigonometric Ratios I QUADRANT: , means all trigonometric ratios are positive. II QUADRANT: , means and are positive all others are negative. III QUADRANT: , means and are positive all others are negative. IV QUADRANT: , means and are positive all others […]