CBSE Important Questions

Mathmatics Class X

Q. 1. Given that

What is the value of

Q. 2. If tan A = and A+B = 90o, than what is the value of Cot B?

Q. 3. Evaluate:- tan35o tan 40o, tan 45o tan 50o tan 55o.

Q. 4. Express tan A in terms of sin A.

Q. 5. Without using trigonometric tables, show that tan 7o tan 23o tan 60o tan 67 o tan 83o =

Q. 6. Show that

Q. 7. If

 

Q. 8. Prove that

-

Q. 9.

 

Q. 10.

   

Q. 11.

2  

Q. 12. Prove that:

  

Submitted By: Mr. Shivankar Gupta
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