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Install NowExercise 3.3
Prove that:
1.
Ans. 1. L.H.S. =
=
= R.H.S.
2.
Ans. L.H.S. =
=
=
=
=
3.
Ans. L.H.S. =
=
=
=
= = R.H.S.
4.
Ans. L.H.S. =
=
=
=
= = R.H.S.
5. Find the value of:
(i)
(ii)
Ans. (i)
=
(ii)
=
=
Prove the following:
6.
Ans. L.H.S. =
=
= = R.H.S.
7.
Ans. L.H.S. =
[Using ]
= =
= = R.H.S.
8.
Ans. L.H.S. =
= =
= R.H.S.
9.
Ans. L.H.S. =
=
=
=
= 1 = R.H.S.
10.
Ans. L.H.S. =
=
=
= = R.H.S.
11.
Ans. L.H.S. =
= =
= =
= = R.H.S.
12.
Ans. L.H.S. =
=
= = R.H.S.
13.
Ans. L.H.S. =
=
= = R.H.S.
14.
Ans. L.H.S. =
=
=
=
=
=
=
= = R.H.S.
15.
Ans. L.H.S. =
=
= =
R.H.S. =
=
= =
L.H.S. = R.H.S.
16.
Ans. L.H.S. =
=
= = R.H.S.
17.
Ans. L.H.S. =
=
= = R.H.S.
18.
Ans. L.H.S. =
=
= = R.H.S.
19.
Ans. L.H.S. =
=
= = R.H.S.
20.
Ans. L.H.S. =
=
=
= = R.H.S.
21.
Ans. L.H.S. =
=
=
=
= =
= R.H.S.
22.
Ans. We know that
23.
Ans. L.H.S. =
=
=
=
= = R.H.S.
24.
Ans. L.H.S. =
=
=
= = R.H.S.
25.
Ans. L.H.S. =
=
=
=
= = R.H.S.

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