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Important Questions

CBSE Guess > Papers > Important Questions > Class XII > 2010 > Maths > Mathematics By Mr. Anil Kumar Tondak

CBSE CLASS XII

Inverse Trigonometric Functions

Q. 1. Find the value of :  tan-1 (1)  + cos -1 (-1/2)  + sin-1 (-1/2).
Q. 2. Prove :   tan-1x + tan-1  =   tan-1 ,  |x|<

Q. 3. If tan-1 then find the value of x.

Q. 4. Find the value of  sin .

Q. 5. Prove :  sin-1
Q. 6. Solve :  tan-12x + tan-13x =      

Q. 7. Prove :   
Q. 8. Solve :  sin-1 ( 1 –x) – 2sin-1x =  .

Q. 9. Evaluate: tan-1 - sec-1 (-2) + cosec-1 .

Q. 10. Prove :

tan-1 =

Q. 11. Simplify :

sin-1 ,  

Q. 12. Prove:  sec2 (tan-12) + cosec2 ( cot-13) = 15.

Q. 13. Simplify : 

tan-1

Q. 14. Prove :

tan-1 =

Q. 15. If  sin(sin-1 , then find the value of x.

Q. 16. Prove that : 

2tan-1 = cos-1

Q. 17. Find the principal value of Sec-1

Q. 18. Find value of

Sin

Q. 19. If 2 tan-1 (Cos q) = tan-1 (2 cosec q),     find q.

Q. 20.

Paper By Mr. Anil Kumar Tondak
Email Id : [email protected]