Evaluate :
(i)
(where [.] denotes greatest integer function)
(ii)
(iii)
where 
(iv)
(v)
(where [.] denotes greatest integer function)
(vi) 
(vii)
(where [.] denotes greatest integer function)
Text Solution
Verified by ExpertsCHECK THE SOLUTION.
(i) 5 –
–
(ii)2
(iii)9
(iv)4 (v)cot 1 (vi) 29
(vii) cos 1 + cos 2 + cos 3 + 3
Sol. (i)

=
= 
(ii) Ι =
=
= 
=
= 
(iii)
=
= 2 + (8 – 1) = 9
(iv)
=
+ 
(v)
= cot1
(vi)
= – 
= –
= – 
(vii)
=
+
+
+ 
= 3(cos3+1) + 2 (cos 2 – cos3)+(cos1–cos2) + 0 = cos1 + cos2 + cos3 + 3
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