Page 21 - DMTH201_Basic Mathematics-1

Basic Mathematics – I

Notes 9. For suitable value of domain is equal to ………………
10. For suitable value of domain cot-1 (-x) is equal to ..............................................

1.7 Review Questions

1. Prove each of the following:

(a)

(b)

(c)

2. Prove each of the following:

(a)

(b)

(c)

–1
3. (a) Prove that 2 sin x =

–1
(b) Prove that 2 cos x =

–1
(c) Prove that cos x =

4. Prove the following:

(a)

(b)

(c)

5. Solve each of the following:

(a)

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