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:
