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]
