## Trigonometry Equations

#### Multiple choice question's collected from all Engineering Entrance Examinations (Click here)

Important Formulas:

1.  When  is a constant,  and  are the three fundamental forms of trigonometric equations.

2. The  general  solution of  is , where 

3. The  general  solution of  is , where 

4. The general  solution of  where  

5. The general solutions of    and  are .

6. The general solution for     is 

7. The general solution for     is  .

8. The general solution for    is 

9. The general solution for the equation of the form  where    is obtained by taking   so that  

List of formulae : 

10.  

11. 

12. 

13. 

14. 

15. 

16. 

17. 

18. 

19. 

Trig_equations