Example 1. In figure-1, ABC is a right angled triangle right angled at C. D is the mid-point of BC. Find the value of
Solution:-
= 2CD/AC [BD = DC]
Example 2. Evaluate:
Solution:-
= 2(0)2 + 1/24
= 1/8 + 4/3 + 1/2 + 1/24
= 3 + 32 + 12 + 1/24
= 48/24
= 2
Example 3. Prove the following identities:
(i)
(ii)
(iii)
(iv)
(v)
Solution:- (i)
(ii)
(iii)
(iv)
(v)
Example 4. If find the value of .
Solution:
-
Example 5. If Prove that
Solution:-
Example 4. If find the value of .
Solution:
-
Example 5. If Prove that
Solution:-
Comments