Solve all these questions, it's urgent then I will Marks as brainlist :- 1. Evaluate lim→0
5 − 7
− 5
(CO-4,BT-V)
2. If y =() =
−
−
show that () = . (CO-4,BT-
III)
3. If =
2
show that
ℎ at x= 0 . (CO-4,BT-III)
4. Establish cos2∅ = 1 + 2 , where 2 = 1 + 2 2 . (CO-3,BT-VI)
5. Show that sin x + cos x will be maximum at x= /4
5 − 7
− 5
(CO-4,BT-V)
2. If y =() =
−
−
show that () = . (CO-4,BT-
III)
3. If =
2
show that
ℎ at x= 0 . (CO-4,BT-III)
4. Establish cos2∅ = 1 + 2 , where 2 = 1 + 2 2 . (CO-3,BT-VI)
5. Show that sin x + cos x will be maximum at x= /4
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